Home / 242,561,121.10-363,857,428.05-127,769,865.10

Finding the Fourth Proportional to 242,561,121.10, 363,857,428.05 and 127,769,865.10

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Solution

The fourth proportional to 242,561,121.10, 363,857,428.05 and 127,769,865.10 is: 191,663,092.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,561,121.10 : 363,857,428.05 = 127,769,865.10 : x
  2. Step 2: Convert to fraction form
    242,561,121.10/363,857,428.05 = 127,769,865.10/x
  3. Step 3: Cross multiply
    242,561,121.10x = 363,857,428.05 × 127,769,865.10
  4. Step 4: Simplify right side
    242,561,121.10x = 46,490,014,497,581,456
  5. Step 5: Solve for x
    x = 46,490,014,497,581,456/242,561,121.10
  6. Step 6: Final answer
    x = 191,663,092.12

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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.