Home / 161,902,123.12-242,870,194.68-52,735,805.20

Finding the Fourth Proportional to 161,902,123.12, 242,870,194.68 and 52,735,805.20

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Solution

The fourth proportional to 161,902,123.12, 242,870,194.68 and 52,735,805.20 is: 79,109,248.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,902,123.12 : 242,870,194.68 = 52,735,805.20 : x
  2. Step 2: Convert to fraction form
    161,902,123.12/242,870,194.68 = 52,735,805.20/x
  3. Step 3: Cross multiply
    161,902,123.12x = 242,870,194.68 × 52,735,805.20
  4. Step 4: Simplify right side
    161,902,123.12x = 12,807,955,275,530,558
  5. Step 5: Solve for x
    x = 12,807,955,275,530,558/161,902,123.12
  6. Step 6: Final answer
    x = 79,109,248.41

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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.