Home / 57,309,473.20-85,964,209.80-39,169,620.40

Finding the Fourth Proportional to 57,309,473.20, 85,964,209.80 and 39,169,620.40

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Solution

The fourth proportional to 57,309,473.20, 85,964,209.80 and 39,169,620.40 is: 58,754,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,309,473.20 : 85,964,209.80 = 39,169,620.40 : x
  2. Step 2: Convert to fraction form
    57,309,473.20/85,964,209.80 = 39,169,620.40/x
  3. Step 3: Cross multiply
    57,309,473.20x = 85,964,209.80 × 39,169,620.40
  4. Step 4: Simplify right side
    57,309,473.20x = 3,367,185,465,851,959.50
  5. Step 5: Solve for x
    x = 3,367,185,465,851,959.50/57,309,473.20
  6. Step 6: Final answer
    x = 58,754,430.60

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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.