Home / 139,566,220.92-209,380,554.92-42,529,523

Finding the Fourth Proportional to 139,566,220.92, 209,380,554.92 and 42,529,523

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Solution

The fourth proportional to 139,566,220.92, 209,380,554.92 and 42,529,523 is: 63,803,799.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,566,220.92 : 209,380,554.92 = 42,529,523 : x
  2. Step 2: Convert to fraction form
    139,566,220.92/209,380,554.92 = 42,529,523/x
  3. Step 3: Cross multiply
    139,566,220.92x = 209,380,554.92 × 42,529,523
  4. Step 4: Simplify right side
    139,566,220.92x = 8,904,855,126,222,903
  5. Step 5: Solve for x
    x = 8,904,855,126,222,903/139,566,220.92
  6. Step 6: Final answer
    x = 63,803,799.14

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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.