Home / 48,388,845.80-72,616,446.30-21,481,812.20

Finding the Fourth Proportional to 48,388,845.80, 72,616,446.30 and 21,481,812.20

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Solution

The fourth proportional to 48,388,845.80, 72,616,446.30 and 21,481,812.20 is: 32,237,447.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,388,845.80 : 72,616,446.30 = 21,481,812.20 : x
  2. Step 2: Convert to fraction form
    48,388,845.80/72,616,446.30 = 21,481,812.20/x
  3. Step 3: Cross multiply
    48,388,845.80x = 72,616,446.30 × 21,481,812.20
  4. Step 4: Simplify right side
    48,388,845.80x = 1,559,932,862,047,984.75
  5. Step 5: Solve for x
    x = 1,559,932,862,047,984.75/48,388,845.80
  6. Step 6: Final answer
    x = 32,237,447.21

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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.