Home / 308,569,839.84-425,705,155.92-176,339,896.80

Finding the Fourth Proportional to 308,569,839.84, 425,705,155.92 and 176,339,896.80

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Solution

The fourth proportional to 308,569,839.84, 425,705,155.92 and 176,339,896.80 is: 243,279,781.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,569,839.84 : 425,705,155.92 = 176,339,896.80 : x
  2. Step 2: Convert to fraction form
    308,569,839.84/425,705,155.92 = 176,339,896.80/x
  3. Step 3: Cross multiply
    308,569,839.84x = 425,705,155.92 × 176,339,896.80
  4. Step 4: Simplify right side
    308,569,839.84x = 75,068,803,262,160,720
  5. Step 5: Solve for x
    x = 75,068,803,262,160,720/308,569,839.84
  6. Step 6: Final answer
    x = 243,279,781.66

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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.