Home / 127,650,871,140.15-191,476,306,710.22-77,367,199,178.55

Finding the Fourth Proportional to 127,650,871,140.15, 191,476,306,710.22 and 77,367,199,178.55

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Solution

The fourth proportional to 127,650,871,140.15, 191,476,306,710.22 and 77,367,199,178.55 is: 116,050,798,767.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,650,871,140.15 : 191,476,306,710.22 = 77,367,199,178.55 : x
  2. Step 2: Convert to fraction form
    127,650,871,140.15/191,476,306,710.22 = 77,367,199,178.55/x
  3. Step 3: Cross multiply
    127,650,871,140.15x = 191,476,306,710.22 × 77,367,199,178.55
  4. Step 4: Simplify right side
    127,650,871,140.15x = 14,813,985,559,222,721,445,888
  5. Step 5: Solve for x
    x = 14,813,985,559,222,721,445,888/127,650,871,140.15
  6. Step 6: Final answer
    x = 116,050,798,767.82

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.