Home / 72,514,898.64-108,775,349.61-21,396,917.43

Finding the Fourth Proportional to 72,514,898.64, 108,775,349.61 and 21,396,917.43

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Solution

The fourth proportional to 72,514,898.64, 108,775,349.61 and 21,396,917.43 is: 32,096,261.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,514,898.64 : 108,775,349.61 = 21,396,917.43 : x
  2. Step 2: Convert to fraction form
    72,514,898.64/108,775,349.61 = 21,396,917.43/x
  3. Step 3: Cross multiply
    72,514,898.64x = 108,775,349.61 × 21,396,917.43
  4. Step 4: Simplify right side
    72,514,898.64x = 2,327,457,174,024,552.50
  5. Step 5: Solve for x
    x = 2,327,457,174,024,552.50/72,514,898.64
  6. Step 6: Final answer
    x = 32,096,261.84

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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.