Home / 65,354,444.94-90,023,040.99-49,857,625.38

Finding the Fourth Proportional to 65,354,444.94, 90,023,040.99 and 49,857,625.38

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Solution

The fourth proportional to 65,354,444.94, 90,023,040.99 and 49,857,625.38 is: 68,676,813.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,354,444.94 : 90,023,040.99 = 49,857,625.38 : x
  2. Step 2: Convert to fraction form
    65,354,444.94/90,023,040.99 = 49,857,625.38/x
  3. Step 3: Cross multiply
    65,354,444.94x = 90,023,040.99 × 49,857,625.38
  4. Step 4: Simplify right side
    65,354,444.94x = 4,488,335,053,247,804.50
  5. Step 5: Solve for x
    x = 4,488,335,053,247,804.50/65,354,444.94
  6. Step 6: Final answer
    x = 68,676,813.91

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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.