Home / 102,545,645.18-141,512,979.45-55,502,710.29

Finding the Fourth Proportional to 102,545,645.18, 141,512,979.45 and 55,502,710.29

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Solution

The fourth proportional to 102,545,645.18, 141,512,979.45 and 55,502,710.29 is: 76,593,734.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,545,645.18 : 141,512,979.45 = 55,502,710.29 : x
  2. Step 2: Convert to fraction form
    102,545,645.18/141,512,979.45 = 55,502,710.29/x
  3. Step 3: Cross multiply
    102,545,645.18x = 141,512,979.45 × 55,502,710.29
  4. Step 4: Simplify right side
    102,545,645.18x = 7,854,353,900,688,073
  5. Step 5: Solve for x
    x = 7,854,353,900,688,073/102,545,645.18
  6. Step 6: Final answer
    x = 76,593,734.31

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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.