Home / 89,284,437.88-123,220,294.40-49,599,688.56

Finding the Fourth Proportional to 89,284,437.88, 123,220,294.40 and 49,599,688.56

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Solution

The fourth proportional to 89,284,437.88, 123,220,294.40 and 49,599,688.56 is: 68,451,886.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,284,437.88 : 123,220,294.40 = 49,599,688.56 : x
  2. Step 2: Convert to fraction form
    89,284,437.88/123,220,294.40 = 49,599,688.56/x
  3. Step 3: Cross multiply
    89,284,437.88x = 123,220,294.40 × 49,599,688.56
  4. Step 4: Simplify right side
    89,284,437.88x = 6,111,688,225,647,412
  5. Step 5: Solve for x
    x = 6,111,688,225,647,412/89,284,437.88
  6. Step 6: Final answer
    x = 68,451,886.70

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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.