Home / 144,827,785.60-217,493,620.80-76,803,337.60

Finding the Fourth Proportional to 144,827,785.60, 217,493,620.80 and 76,803,337.60

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Solution

The fourth proportional to 144,827,785.60, 217,493,620.80 and 76,803,337.60 is: 115,338,613.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,827,785.60 : 217,493,620.80 = 76,803,337.60 : x
  2. Step 2: Convert to fraction form
    144,827,785.60/217,493,620.80 = 76,803,337.60/x
  3. Step 3: Cross multiply
    144,827,785.60x = 217,493,620.80 × 76,803,337.60
  4. Step 4: Simplify right side
    144,827,785.60x = 16,704,235,984,148,782
  5. Step 5: Solve for x
    x = 16,704,235,984,148,782/144,827,785.60
  6. Step 6: Final answer
    x = 115,338,613.48

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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.