Home / 145,110,704.64-200,266,917.12-108,377,502.72

Finding the Fourth Proportional to 145,110,704.64, 200,266,917.12 and 108,377,502.72

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Solution

The fourth proportional to 145,110,704.64, 200,266,917.12 and 108,377,502.72 is: 149,571,517.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,110,704.64 : 200,266,917.12 = 108,377,502.72 : x
  2. Step 2: Convert to fraction form
    145,110,704.64/200,266,917.12 = 108,377,502.72/x
  3. Step 3: Cross multiply
    145,110,704.64x = 200,266,917.12 × 108,377,502.72
  4. Step 4: Simplify right side
    145,110,704.64x = 21,704,428,354,898,816
  5. Step 5: Solve for x
    x = 21,704,428,354,898,816/145,110,704.64
  6. Step 6: Final answer
    x = 149,571,517.89

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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.