Home / 156,056,387.52-215,357,833.44-86,446,277.04

Finding the Fourth Proportional to 156,056,387.52, 215,357,833.44 and 86,446,277.04

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Solution

The fourth proportional to 156,056,387.52, 215,357,833.44 and 86,446,277.04 is: 119,295,872.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,056,387.52 : 215,357,833.44 = 86,446,277.04 : x
  2. Step 2: Convert to fraction form
    156,056,387.52/215,357,833.44 = 86,446,277.04/x
  3. Step 3: Cross multiply
    156,056,387.52x = 215,357,833.44 × 86,446,277.04
  4. Step 4: Simplify right side
    156,056,387.52x = 18,616,882,932,288,416
  5. Step 5: Solve for x
    x = 18,616,882,932,288,416/156,056,387.52
  6. Step 6: Final answer
    x = 119,295,872.65

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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.