Home / 331,768,123.56-497,874,159.01-137,679,532.16

Finding the Fourth Proportional to 331,768,123.56, 497,874,159.01 and 137,679,532.16

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Solution

The fourth proportional to 331,768,123.56, 497,874,159.01 and 137,679,532.16 is: 206,611,414.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,768,123.56 : 497,874,159.01 = 137,679,532.16 : x
  2. Step 2: Convert to fraction form
    331,768,123.56/497,874,159.01 = 137,679,532.16/x
  3. Step 3: Cross multiply
    331,768,123.56x = 497,874,159.01 × 137,679,532.16
  4. Step 4: Simplify right side
    331,768,123.56x = 68,547,081,286,758,112
  5. Step 5: Solve for x
    x = 68,547,081,286,758,112/331,768,123.56
  6. Step 6: Final answer
    x = 206,611,414.48

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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.