Home / 204,996,985.40-307,522,451.10-75,695,421.80

Finding the Fourth Proportional to 204,996,985.40, 307,522,451.10 and 75,695,421.80

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Solution

The fourth proportional to 204,996,985.40, 307,522,451.10 and 75,695,421.80 is: 113,553,092.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,996,985.40 : 307,522,451.10 = 75,695,421.80 : x
  2. Step 2: Convert to fraction form
    204,996,985.40/307,522,451.10 = 75,695,421.80/x
  3. Step 3: Cross multiply
    204,996,985.40x = 307,522,451.10 × 75,695,421.80
  4. Step 4: Simplify right side
    204,996,985.40x = 23,278,041,648,984,376
  5. Step 5: Solve for x
    x = 23,278,041,648,984,376/204,996,985.40
  6. Step 6: Final answer
    x = 113,553,092.52

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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.