Home / 156,443,026.29-215,902,288.26-103,427,624.35

Finding the Fourth Proportional to 156,443,026.29, 215,902,288.26 and 103,427,624.35

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Solution

The fourth proportional to 156,443,026.29, 215,902,288.26 and 103,427,624.35 is: 142,737,335.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,443,026.29 : 215,902,288.26 = 103,427,624.35 : x
  2. Step 2: Convert to fraction form
    156,443,026.29/215,902,288.26 = 103,427,624.35/x
  3. Step 3: Cross multiply
    156,443,026.29x = 215,902,288.26 × 103,427,624.35
  4. Step 4: Simplify right side
    156,443,026.29x = 22,330,260,766,730,572
  5. Step 5: Solve for x
    x = 22,330,260,766,730,572/156,443,026.29
  6. Step 6: Final answer
    x = 142,737,335.74

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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.