Home / 89,259,689.12-123,174,224.88-49,569,739.76

Finding the Fourth Proportional to 89,259,689.12, 123,174,224.88 and 49,569,739.76

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Solution

The fourth proportional to 89,259,689.12, 123,174,224.88 and 49,569,739.76 is: 68,403,938.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,259,689.12 : 123,174,224.88 = 49,569,739.76 : x
  2. Step 2: Convert to fraction form
    89,259,689.12/123,174,224.88 = 49,569,739.76/x
  3. Step 3: Cross multiply
    89,259,689.12x = 123,174,224.88 × 49,569,739.76
  4. Step 4: Simplify right side
    89,259,689.12x = 6,105,714,272,441,317
  5. Step 5: Solve for x
    x = 6,105,714,272,441,317/89,259,689.12
  6. Step 6: Final answer
    x = 68,403,938.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.