Home / 103,995,733.92-143,512,358.89-57,584,991.39

Finding the Fourth Proportional to 103,995,733.92, 143,512,358.89 and 57,584,991.39

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Solution

The fourth proportional to 103,995,733.92, 143,512,358.89 and 57,584,991.39 is: 79,466,316.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,995,733.92 : 143,512,358.89 = 57,584,991.39 : x
  2. Step 2: Convert to fraction form
    103,995,733.92/143,512,358.89 = 57,584,991.39/x
  3. Step 3: Cross multiply
    103,995,733.92x = 143,512,358.89 × 57,584,991.39
  4. Step 4: Simplify right side
    103,995,733.92x = 8,264,157,951,433,448
  5. Step 5: Solve for x
    x = 8,264,157,951,433,448/103,995,733.92
  6. Step 6: Final answer
    x = 79,466,316.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.