Home / 48,387,531.20-72,581,296.80-21,513,675.20

Finding the Fourth Proportional to 48,387,531.20, 72,581,296.80 and 21,513,675.20

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Solution

The fourth proportional to 48,387,531.20, 72,581,296.80 and 21,513,675.20 is: 32,270,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,387,531.20 : 72,581,296.80 = 21,513,675.20 : x
  2. Step 2: Convert to fraction form
    48,387,531.20/72,581,296.80 = 21,513,675.20/x
  3. Step 3: Cross multiply
    48,387,531.20x = 72,581,296.80 × 21,513,675.20
  4. Step 4: Simplify right side
    48,387,531.20x = 1,561,490,444,949,999.25
  5. Step 5: Solve for x
    x = 1,561,490,444,949,999.25/48,387,531.20
  6. Step 6: Final answer
    x = 32,270,512.80

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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.