Home / 48,731,401.40-73,116,785.10-21,442,890.20

Finding the Fourth Proportional to 48,731,401.40, 73,116,785.10 and 21,442,890.20

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Solution

The fourth proportional to 48,731,401.40, 73,116,785.10 and 21,442,890.20 is: 32,172,996.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,731,401.40 : 73,116,785.10 = 21,442,890.20 : x
  2. Step 2: Convert to fraction form
    48,731,401.40/73,116,785.10 = 21,442,890.20/x
  3. Step 3: Cross multiply
    48,731,401.40x = 73,116,785.10 × 21,442,890.20
  4. Step 4: Simplify right side
    48,731,401.40x = 1,567,835,194,676,295.75
  5. Step 5: Solve for x
    x = 1,567,835,194,676,295.75/48,731,401.40
  6. Step 6: Final answer
    x = 32,172,996.25

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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.