Home / 157,786,538.49-236,679,808.61-42,771,080.30

Finding the Fourth Proportional to 157,786,538.49, 236,679,808.61 and 42,771,080.30

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Solution

The fourth proportional to 157,786,538.49, 236,679,808.61 and 42,771,080.30 is: 64,156,620.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,786,538.49 : 236,679,808.61 = 42,771,080.30 : x
  2. Step 2: Convert to fraction form
    157,786,538.49/236,679,808.61 = 42,771,080.30/x
  3. Step 3: Cross multiply
    157,786,538.49x = 236,679,808.61 × 42,771,080.30
  4. Step 4: Simplify right side
    157,786,538.49x = 10,123,051,098,370,470
  5. Step 5: Solve for x
    x = 10,123,051,098,370,470/157,786,538.49
  6. Step 6: Final answer
    x = 64,156,620.68

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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.