Home / 89,528,912.10-123,251,441.40-85,415,558.76

Finding the Fourth Proportional to 89,528,912.10, 123,251,441.40 and 85,415,558.76

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Solution

The fourth proportional to 89,528,912.10, 123,251,441.40 and 85,415,558.76 is: 117,588,726.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,528,912.10 : 123,251,441.40 = 85,415,558.76 : x
  2. Step 2: Convert to fraction form
    89,528,912.10/123,251,441.40 = 85,415,558.76/x
  3. Step 3: Cross multiply
    89,528,912.10x = 123,251,441.40 × 85,415,558.76
  4. Step 4: Simplify right side
    89,528,912.10x = 10,527,590,735,156,398
  5. Step 5: Solve for x
    x = 10,527,590,735,156,398/89,528,912.10
  6. Step 6: Final answer
    x = 117,588,726.24

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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.