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Finding the Fourth Proportional to 48,996,920.80, 73,519,000.80 and 34,588,964.80

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Solution

The fourth proportional to 48,996,920.80, 73,519,000.80 and 34,588,964.80 is: 51,900,121.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,996,920.80 : 73,519,000.80 = 34,588,964.80 : x
  2. Step 2: Convert to fraction form
    48,996,920.80/73,519,000.80 = 34,588,964.80/x
  3. Step 3: Cross multiply
    48,996,920.80x = 73,519,000.80 × 34,588,964.80
  4. Step 4: Simplify right side
    48,996,920.80x = 2,542,946,130,802,371.50
  5. Step 5: Solve for x
    x = 2,542,946,130,802,371.50/48,996,920.80
  6. Step 6: Final answer
    x = 51,900,121.26

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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.