Home / 156,149,885.08-215,487,402.42-86,536,450.36

Finding the Fourth Proportional to 156,149,885.08, 215,487,402.42 and 86,536,450.36

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Solution

The fourth proportional to 156,149,885.08, 215,487,402.42 and 86,536,450.36 is: 119,420,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,149,885.08 : 215,487,402.42 = 86,536,450.36 : x
  2. Step 2: Convert to fraction form
    156,149,885.08/215,487,402.42 = 86,536,450.36/x
  3. Step 3: Cross multiply
    156,149,885.08x = 215,487,402.42 × 86,536,450.36
  4. Step 4: Simplify right side
    156,149,885.08x = 18,647,514,902,723,672
  5. Step 5: Solve for x
    x = 18,647,514,902,723,672/156,149,885.08
  6. Step 6: Final answer
    x = 119,420,612.40

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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.