Home / 89,341,717.87-123,294,564.48-49,650,921.24

Finding the Fourth Proportional to 89,341,717.87, 123,294,564.48 and 49,650,921.24

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Solution

The fourth proportional to 89,341,717.87, 123,294,564.48 and 49,650,921.24 is: 68,519,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,341,717.87 : 123,294,564.48 = 49,650,921.24 : x
  2. Step 2: Convert to fraction form
    89,341,717.87/123,294,564.48 = 49,650,921.24/x
  3. Step 3: Cross multiply
    89,341,717.87x = 123,294,564.48 × 49,650,921.24
  4. Step 4: Simplify right side
    89,341,717.87x = 6,121,688,710,040,418
  5. Step 5: Solve for x
    x = 6,121,688,710,040,418/89,341,717.87
  6. Step 6: Final answer
    x = 68,519,935.10

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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.