Home / 66,269,044.20-99,344,468.70-25,870,132.20

Finding the Fourth Proportional to 66,269,044.20, 99,344,468.70 and 25,870,132.20

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Solution

The fourth proportional to 66,269,044.20, 99,344,468.70 and 25,870,132.20 is: 38,782,127.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,269,044.20 : 99,344,468.70 = 25,870,132.20 : x
  2. Step 2: Convert to fraction form
    66,269,044.20/99,344,468.70 = 25,870,132.20/x
  3. Step 3: Cross multiply
    66,269,044.20x = 99,344,468.70 × 25,870,132.20
  4. Step 4: Simplify right side
    66,269,044.20x = 2,570,054,538,607,762
  5. Step 5: Solve for x
    x = 2,570,054,538,607,762/66,269,044.20
  6. Step 6: Final answer
    x = 38,782,127.76

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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.