Home / 138,294,339.30-207,452,006.55-41,242,472.10

Finding the Fourth Proportional to 138,294,339.30, 207,452,006.55 and 41,242,472.10

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Solution

The fourth proportional to 138,294,339.30, 207,452,006.55 and 41,242,472.10 is: 61,866,838.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,294,339.30 : 207,452,006.55 = 41,242,472.10 : x
  2. Step 2: Convert to fraction form
    138,294,339.30/207,452,006.55 = 41,242,472.10/x
  3. Step 3: Cross multiply
    138,294,339.30x = 207,452,006.55 × 41,242,472.10
  4. Step 4: Simplify right side
    138,294,339.30x = 8,555,833,592,227,393
  5. Step 5: Solve for x
    x = 8,555,833,592,227,393/138,294,339.30
  6. Step 6: Final answer
    x = 61,866,838.77

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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.