Home / 48,731,402.40-73,116,786.60-21,442,891.20

Finding the Fourth Proportional to 48,731,402.40, 73,116,786.60 and 21,442,891.20

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Solution

The fourth proportional to 48,731,402.40, 73,116,786.60 and 21,442,891.20 is: 32,172,997.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,731,402.40 : 73,116,786.60 = 21,442,891.20 : x
  2. Step 2: Convert to fraction form
    48,731,402.40/73,116,786.60 = 21,442,891.20/x
  3. Step 3: Cross multiply
    48,731,402.40x = 73,116,786.60 × 21,442,891.20
  4. Step 4: Simplify right side
    48,731,402.40x = 1,567,835,299,957,417.75
  5. Step 5: Solve for x
    x = 1,567,835,299,957,417.75/48,731,402.40
  6. Step 6: Final answer
    x = 32,172,997.75

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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.