Home / 89,659,618.30-134,489,427.45-53,379,912.70

Finding the Fourth Proportional to 89,659,618.30, 134,489,427.45 and 53,379,912.70

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Solution

The fourth proportional to 89,659,618.30, 134,489,427.45 and 53,379,912.70 is: 80,069,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,659,618.30 : 134,489,427.45 = 53,379,912.70 : x
  2. Step 2: Convert to fraction form
    89,659,618.30/134,489,427.45 = 53,379,912.70/x
  3. Step 3: Cross multiply
    89,659,618.30x = 134,489,427.45 × 53,379,912.70
  4. Step 4: Simplify right side
    89,659,618.30x = 7,179,033,896,353,983
  5. Step 5: Solve for x
    x = 7,179,033,896,353,983/89,659,618.30
  6. Step 6: Final answer
    x = 80,069,869.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.