Home / 85,156,846.68-117,516,493.62-45,998,622.66

Finding the Fourth Proportional to 85,156,846.68, 117,516,493.62 and 45,998,622.66

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Solution

The fourth proportional to 85,156,846.68, 117,516,493.62 and 45,998,622.66 is: 63,478,123.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,156,846.68 : 117,516,493.62 = 45,998,622.66 : x
  2. Step 2: Convert to fraction form
    85,156,846.68/117,516,493.62 = 45,998,622.66/x
  3. Step 3: Cross multiply
    85,156,846.68x = 117,516,493.62 × 45,998,622.66
  4. Step 4: Simplify right side
    85,156,846.68x = 5,405,596,846,352,677
  5. Step 5: Solve for x
    x = 5,405,596,846,352,677/85,156,846.68
  6. Step 6: Final answer
    x = 63,478,123.69

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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.