Home / 127,650,871,251.15-191,476,306,876.72-77,367,199,289.55

Finding the Fourth Proportional to 127,650,871,251.15, 191,476,306,876.72 and 77,367,199,289.55

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Solution

The fourth proportional to 127,650,871,251.15, 191,476,306,876.72 and 77,367,199,289.55 is: 116,050,798,934.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,650,871,251.15 : 191,476,306,876.72 = 77,367,199,289.55 : x
  2. Step 2: Convert to fraction form
    127,650,871,251.15/191,476,306,876.72 = 77,367,199,289.55/x
  3. Step 3: Cross multiply
    127,650,871,251.15x = 191,476,306,876.72 × 77,367,199,289.55
  4. Step 4: Simplify right side
    127,650,871,251.15x = 14,813,985,593,358,230,224,896
  5. Step 5: Solve for x
    x = 14,813,985,593,358,230,224,896/127,650,871,251.15
  6. Step 6: Final answer
    x = 116,050,798,934.32

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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.