Home / 178,653,372.40-246,543,387.72-103,294,042.15

Finding the Fourth Proportional to 178,653,372.40, 246,543,387.72 and 103,294,042.15

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Solution

The fourth proportional to 178,653,372.40, 246,543,387.72 and 103,294,042.15 is: 142,546,780.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,653,372.40 : 246,543,387.72 = 103,294,042.15 : x
  2. Step 2: Convert to fraction form
    178,653,372.40/246,543,387.72 = 103,294,042.15/x
  3. Step 3: Cross multiply
    178,653,372.40x = 246,543,387.72 × 103,294,042.15
  4. Step 4: Simplify right side
    178,653,372.40x = 25,466,463,082,953,472
  5. Step 5: Solve for x
    x = 25,466,463,082,953,472/178,653,372.40
  6. Step 6: Final answer
    x = 142,546,780.62

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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.