Home / 261,622,165.80-392,433,248.70-237,388,456.20

Finding the Fourth Proportional to 261,622,165.80, 392,433,248.70 and 237,388,456.20

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Solution

The fourth proportional to 261,622,165.80, 392,433,248.70 and 237,388,456.20 is: 356,082,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,622,165.80 : 392,433,248.70 = 237,388,456.20 : x
  2. Step 2: Convert to fraction form
    261,622,165.80/392,433,248.70 = 237,388,456.20/x
  3. Step 3: Cross multiply
    261,622,165.80x = 392,433,248.70 × 237,388,456.20
  4. Step 4: Simplify right side
    261,622,165.80x = 93,159,123,070,443,648
  5. Step 5: Solve for x
    x = 93,159,123,070,443,648/261,622,165.80
  6. Step 6: Final answer
    x = 356,082,684.30

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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.