Home / 100,437,399.20-150,656,098.80-77,762,583.20

Finding the Fourth Proportional to 100,437,399.20, 150,656,098.80 and 77,762,583.20

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Solution

The fourth proportional to 100,437,399.20, 150,656,098.80 and 77,762,583.20 is: 116,643,874.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,437,399.20 : 150,656,098.80 = 77,762,583.20 : x
  2. Step 2: Convert to fraction form
    100,437,399.20/150,656,098.80 = 77,762,583.20/x
  3. Step 3: Cross multiply
    100,437,399.20x = 150,656,098.80 × 77,762,583.20
  4. Step 4: Simplify right side
    100,437,399.20x = 11,715,407,417,522,422
  5. Step 5: Solve for x
    x = 11,715,407,417,522,422/100,437,399.20
  6. Step 6: Final answer
    x = 116,643,874.80

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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.