Home / 261,859,946.24-392,775,665.52-80,107,123.52

Finding the Fourth Proportional to 261,859,946.24, 392,775,665.52 and 80,107,123.52

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Solution

The fourth proportional to 261,859,946.24, 392,775,665.52 and 80,107,123.52 is: 120,156,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,859,946.24 : 392,775,665.52 = 80,107,123.52 : x
  2. Step 2: Convert to fraction form
    261,859,946.24/392,775,665.52 = 80,107,123.52/x
  3. Step 3: Cross multiply
    261,859,946.24x = 392,775,665.52 × 80,107,123.52
  4. Step 4: Simplify right side
    261,859,946.24x = 31,464,128,753,460,840
  5. Step 5: Solve for x
    x = 31,464,128,753,460,840/261,859,946.24
  6. Step 6: Final answer
    x = 120,156,324.80

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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.