Home / 157,761,908.33-237,719,703.74-129,638,050.61

Finding the Fourth Proportional to 157,761,908.33, 237,719,703.74 and 129,638,050.61

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Solution

The fourth proportional to 157,761,908.33, 237,719,703.74 and 129,638,050.61 is: 195,341,951.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,761,908.33 : 237,719,703.74 = 129,638,050.61 : x
  2. Step 2: Convert to fraction form
    157,761,908.33/237,719,703.74 = 129,638,050.61/x
  3. Step 3: Cross multiply
    157,761,908.33x = 237,719,703.74 × 129,638,050.61
  4. Step 4: Simplify right side
    157,761,908.33x = 30,817,518,982,603,540
  5. Step 5: Solve for x
    x = 30,817,518,982,603,540/157,761,908.33
  6. Step 6: Final answer
    x = 195,341,951.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.