Home / 157,761,434.43-237,718,988.76-129,637,576.71

Finding the Fourth Proportional to 157,761,434.43, 237,718,988.76 and 129,637,576.71

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Solution

The fourth proportional to 157,761,434.43, 237,718,988.76 and 129,637,576.71 is: 195,341,236.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,761,434.43 : 237,718,988.76 = 129,637,576.71 : x
  2. Step 2: Convert to fraction form
    157,761,434.43/237,718,988.76 = 129,637,576.71/x
  3. Step 3: Cross multiply
    157,761,434.43x = 237,718,988.76 × 129,637,576.71
  4. Step 4: Simplify right side
    157,761,434.43x = 30,817,313,640,190,124
  5. Step 5: Solve for x
    x = 30,817,313,640,190,124/157,761,434.43
  6. Step 6: Final answer
    x = 195,341,236.29

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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.