Home / 89,643,223.45-123,704,381.95-49,948,702.03

Finding the Fourth Proportional to 89,643,223.45, 123,704,381.95 and 49,948,702.03

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Solution

The fourth proportional to 89,643,223.45, 123,704,381.95 and 49,948,702.03 is: 68,927,388.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,643,223.45 : 123,704,381.95 = 49,948,702.03 : x
  2. Step 2: Convert to fraction form
    89,643,223.45/123,704,381.95 = 49,948,702.03/x
  3. Step 3: Cross multiply
    89,643,223.45x = 123,704,381.95 × 49,948,702.03
  4. Step 4: Simplify right side
    89,643,223.45x = 6,178,873,313,825,861
  5. Step 5: Solve for x
    x = 6,178,873,313,825,861/89,643,223.45
  6. Step 6: Final answer
    x = 68,927,388.78

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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.