Home / 89,712,157.16-123,802,826.64-48,459,049.76

Finding the Fourth Proportional to 89,712,157.16, 123,802,826.64 and 48,459,049.76

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Solution

The fourth proportional to 89,712,157.16, 123,802,826.64 and 48,459,049.76 is: 66,873,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712,157.16 : 123,802,826.64 = 48,459,049.76 : x
  2. Step 2: Convert to fraction form
    89,712,157.16/123,802,826.64 = 48,459,049.76/x
  3. Step 3: Cross multiply
    89,712,157.16x = 123,802,826.64 × 48,459,049.76
  4. Step 4: Simplify right side
    89,712,157.16x = 5,999,367,336,576,413
  5. Step 5: Solve for x
    x = 5,999,367,336,576,413/89,712,157.16
  6. Step 6: Final answer
    x = 66,873,515.55

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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.