Home / 123,887,125.40-185,790,904.11-40,870,216.49

Finding the Fourth Proportional to 123,887,125.40, 185,790,904.11 and 40,870,216.49

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Solution

The fourth proportional to 123,887,125.40, 185,790,904.11 and 40,870,216.49 is: 61,292,200.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,887,125.40 : 185,790,904.11 = 40,870,216.49 : x
  2. Step 2: Convert to fraction form
    123,887,125.40/185,790,904.11 = 40,870,216.49/x
  3. Step 3: Cross multiply
    123,887,125.40x = 185,790,904.11 × 40,870,216.49
  4. Step 4: Simplify right side
    123,887,125.40x = 7,593,314,471,919,577
  5. Step 5: Solve for x
    x = 7,593,314,471,919,577/123,887,125.40
  6. Step 6: Final answer
    x = 61,292,200.04

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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.