Home / 113,189,789.59-156,202,565.27-63,629,729.39

Finding the Fourth Proportional to 113,189,789.59, 156,202,565.27 and 63,629,729.39

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Solution

The fourth proportional to 113,189,789.59, 156,202,565.27 and 63,629,729.39 is: 87,809,395.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,189,789.59 : 156,202,565.27 = 63,629,729.39 : x
  2. Step 2: Convert to fraction form
    113,189,789.59/156,202,565.27 = 63,629,729.39/x
  3. Step 3: Cross multiply
    113,189,789.59x = 156,202,565.27 × 63,629,729.39
  4. Step 4: Simplify right side
    113,189,789.59x = 9,939,126,958,226,268
  5. Step 5: Solve for x
    x = 9,939,126,958,226,268/113,189,789.59
  6. Step 6: Final answer
    x = 87,809,395.13

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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.