Home / 231,754,487.28-320,104,130.76-173,276,491.20

Finding the Fourth Proportional to 231,754,487.28, 320,104,130.76 and 173,276,491.20

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Solution

The fourth proportional to 231,754,487.28, 320,104,130.76 and 173,276,491.20 is: 239,333,103.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,754,487.28 : 320,104,130.76 = 173,276,491.20 : x
  2. Step 2: Convert to fraction form
    231,754,487.28/320,104,130.76 = 173,276,491.20/x
  3. Step 3: Cross multiply
    231,754,487.28x = 320,104,130.76 × 173,276,491.20
  4. Step 4: Simplify right side
    231,754,487.28x = 55,466,520,596,718,784
  5. Step 5: Solve for x
    x = 55,466,520,596,718,784/231,754,487.28
  6. Step 6: Final answer
    x = 239,333,103.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.