Home / 48,121,372.80-72,182,059.20-28,989,496.80

Finding the Fourth Proportional to 48,121,372.80, 72,182,059.20 and 28,989,496.80

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Solution

The fourth proportional to 48,121,372.80, 72,182,059.20 and 28,989,496.80 is: 43,484,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,121,372.80 : 72,182,059.20 = 28,989,496.80 : x
  2. Step 2: Convert to fraction form
    48,121,372.80/72,182,059.20 = 28,989,496.80/x
  3. Step 3: Cross multiply
    48,121,372.80x = 72,182,059.20 × 28,989,496.80
  4. Step 4: Simplify right side
    48,121,372.80x = 2,092,521,574,195,810.75
  5. Step 5: Solve for x
    x = 2,092,521,574,195,810.75/48,121,372.80
  6. Step 6: Final answer
    x = 43,484,245.20

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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.