Home / 121,451,513.04-182,156,974.20-53,275,899.60

Finding the Fourth Proportional to 121,451,513.04, 182,156,974.20 and 53,275,899.60

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Solution

The fourth proportional to 121,451,513.04, 182,156,974.20 and 53,275,899.60 is: 79,904,946.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,451,513.04 : 182,156,974.20 = 53,275,899.60 : x
  2. Step 2: Convert to fraction form
    121,451,513.04/182,156,974.20 = 53,275,899.60/x
  3. Step 3: Cross multiply
    121,451,513.04x = 182,156,974.20 × 53,275,899.60
  4. Step 4: Simplify right side
    121,451,513.04x = 9,704,576,668,918,990
  5. Step 5: Solve for x
    x = 9,704,576,668,918,990/121,451,513.04
  6. Step 6: Final answer
    x = 79,904,946.64

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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.