Home / 89,611,159.28-123,658,602.26-49,375,906.48

Finding the Fourth Proportional to 89,611,159.28, 123,658,602.26 and 49,375,906.48

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Solution

The fourth proportional to 89,611,159.28, 123,658,602.26 and 49,375,906.48 is: 68,136,107.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,611,159.28 : 123,658,602.26 = 49,375,906.48 : x
  2. Step 2: Convert to fraction form
    89,611,159.28/123,658,602.26 = 49,375,906.48/x
  3. Step 3: Cross multiply
    89,611,159.28x = 123,658,602.26 × 49,375,906.48
  4. Step 4: Simplify right side
    89,611,159.28x = 6,105,755,580,127,377
  5. Step 5: Solve for x
    x = 6,105,755,580,127,377/89,611,159.28
  6. Step 6: Final answer
    x = 68,136,107.48

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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.