Home / 280,996,443.28-421,187,188.92-144,690,006.16

Finding the Fourth Proportional to 280,996,443.28, 421,187,188.92 and 144,690,006.16

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Solution

The fourth proportional to 280,996,443.28, 421,187,188.92 and 144,690,006.16 is: 216,876,684.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,996,443.28 : 421,187,188.92 = 144,690,006.16 : x
  2. Step 2: Convert to fraction form
    280,996,443.28/421,187,188.92 = 144,690,006.16/x
  3. Step 3: Cross multiply
    280,996,443.28x = 421,187,188.92 × 144,690,006.16
  4. Step 4: Simplify right side
    280,996,443.28x = 60,941,576,959,347,888
  5. Step 5: Solve for x
    x = 60,941,576,959,347,888/280,996,443.28
  6. Step 6: Final answer
    x = 216,876,684.44

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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.