Home / 43,472,221.60-65,208,332.40-28,166,720.80

Finding the Fourth Proportional to 43,472,221.60, 65,208,332.40 and 28,166,720.80

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Solution

The fourth proportional to 43,472,221.60, 65,208,332.40 and 28,166,720.80 is: 42,250,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,472,221.60 : 65,208,332.40 = 28,166,720.80 : x
  2. Step 2: Convert to fraction form
    43,472,221.60/65,208,332.40 = 28,166,720.80/x
  3. Step 3: Cross multiply
    43,472,221.60x = 65,208,332.40 × 28,166,720.80
  4. Step 4: Simplify right side
    43,472,221.60x = 1,836,704,892,544,394
  5. Step 5: Solve for x
    x = 1,836,704,892,544,394/43,472,221.60
  6. Step 6: Final answer
    x = 42,250,081.20

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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.