Home / 156,087,067.15-234,141,373.73-45,423,652.25

Finding the Fourth Proportional to 156,087,067.15, 234,141,373.73 and 45,423,652.25

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Solution

The fourth proportional to 156,087,067.15, 234,141,373.73 and 45,423,652.25 is: 68,138,613.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,087,067.15 : 234,141,373.73 = 45,423,652.25 : x
  2. Step 2: Convert to fraction form
    156,087,067.15/234,141,373.73 = 45,423,652.25/x
  3. Step 3: Cross multiply
    156,087,067.15x = 234,141,373.73 × 45,423,652.25
  4. Step 4: Simplify right side
    156,087,067.15x = 10,635,556,336,775,394
  5. Step 5: Solve for x
    x = 10,635,556,336,775,394/156,087,067.15
  6. Step 6: Final answer
    x = 68,138,613.48

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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.