Home / 52,613,834.64-72,541,020.60-40,239,108.24

Finding the Fourth Proportional to 52,613,834.64, 72,541,020.60 and 40,239,108.24

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Solution

The fourth proportional to 52,613,834.64, 72,541,020.60 and 40,239,108.24 is: 55,479,438.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,613,834.64 : 72,541,020.60 = 40,239,108.24 : x
  2. Step 2: Convert to fraction form
    52,613,834.64/72,541,020.60 = 40,239,108.24/x
  3. Step 3: Cross multiply
    52,613,834.64x = 72,541,020.60 × 40,239,108.24
  4. Step 4: Simplify right side
    52,613,834.64x = 2,918,985,979,763,469.50
  5. Step 5: Solve for x
    x = 2,918,985,979,763,469.50/52,613,834.64
  6. Step 6: Final answer
    x = 55,479,438.06

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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.