Home / 162,539,785.92-243,810,151.83-69,142,694.25

Finding the Fourth Proportional to 162,539,785.92, 243,810,151.83 and 69,142,694.25

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Solution

The fourth proportional to 162,539,785.92, 243,810,151.83 and 69,142,694.25 is: 103,714,242.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,539,785.92 : 243,810,151.83 = 69,142,694.25 : x
  2. Step 2: Convert to fraction form
    162,539,785.92/243,810,151.83 = 69,142,694.25/x
  3. Step 3: Cross multiply
    162,539,785.92x = 243,810,151.83 × 69,142,694.25
  4. Step 4: Simplify right side
    162,539,785.92x = 16,857,690,783,027,768
  5. Step 5: Solve for x
    x = 16,857,690,783,027,768/162,539,785.92
  6. Step 6: Final answer
    x = 103,714,242.56

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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.