Home / 127,650,871,243.15-191,476,306,864.72-77,367,199,281.55

Finding the Fourth Proportional to 127,650,871,243.15, 191,476,306,864.72 and 77,367,199,281.55

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Solution

The fourth proportional to 127,650,871,243.15, 191,476,306,864.72 and 77,367,199,281.55 is: 116,050,798,922.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,650,871,243.15 : 191,476,306,864.72 = 77,367,199,281.55 : x
  2. Step 2: Convert to fraction form
    127,650,871,243.15/191,476,306,864.72 = 77,367,199,281.55/x
  3. Step 3: Cross multiply
    127,650,871,243.15x = 191,476,306,864.72 × 77,367,199,281.55
  4. Step 4: Simplify right side
    127,650,871,243.15x = 14,813,985,590,898,012,979,200
  5. Step 5: Solve for x
    x = 14,813,985,590,898,012,979,200/127,650,871,243.15
  6. Step 6: Final answer
    x = 116,050,798,922.32

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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.