Home / 48,387,740.30-72,689,744.85-40,425,116.30

Finding the Fourth Proportional to 48,387,740.30, 72,689,744.85 and 40,425,116.30

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Solution

The fourth proportional to 48,387,740.30, 72,689,744.85 and 40,425,116.30 is: 60,728,014.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,387,740.30 : 72,689,744.85 = 40,425,116.30 : x
  2. Step 2: Convert to fraction form
    48,387,740.30/72,689,744.85 = 40,425,116.30/x
  3. Step 3: Cross multiply
    48,387,740.30x = 72,689,744.85 × 40,425,116.30
  4. Step 4: Simplify right side
    48,387,740.30x = 2,938,491,389,378,575.50
  5. Step 5: Solve for x
    x = 2,938,491,389,378,575.50/48,387,740.30
  6. Step 6: Final answer
    x = 60,728,014.39

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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.