Home / 48,387,028.80-72,580,543.20-27,979,694.40

Finding the Fourth Proportional to 48,387,028.80, 72,580,543.20 and 27,979,694.40

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Solution

The fourth proportional to 48,387,028.80, 72,580,543.20 and 27,979,694.40 is: 41,969,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,387,028.80 : 72,580,543.20 = 27,979,694.40 : x
  2. Step 2: Convert to fraction form
    48,387,028.80/72,580,543.20 = 27,979,694.40/x
  3. Step 3: Cross multiply
    48,387,028.80x = 72,580,543.20 × 27,979,694.40
  4. Step 4: Simplify right side
    48,387,028.80x = 2,030,781,418,121,998
  5. Step 5: Solve for x
    x = 2,030,781,418,121,998/48,387,028.80
  6. Step 6: Final answer
    x = 41,969,541.60

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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.