Home / 89,369,885.75-123,331,917.33-49,137,581.43

Finding the Fourth Proportional to 89,369,885.75, 123,331,917.33 and 49,137,581.43

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Solution

The fourth proportional to 89,369,885.75, 123,331,917.33 and 49,137,581.43 is: 67,810,673.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,369,885.75 : 123,331,917.33 = 49,137,581.43 : x
  2. Step 2: Convert to fraction form
    89,369,885.75/123,331,917.33 = 49,137,581.43/x
  3. Step 3: Cross multiply
    89,369,885.75x = 123,331,917.33 × 49,137,581.43
  4. Step 4: Simplify right side
    89,369,885.75x = 6,060,232,130,720,903
  5. Step 5: Solve for x
    x = 6,060,232,130,720,903/89,369,885.75
  6. Step 6: Final answer
    x = 67,810,673.36

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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.