Home / 117,892,549.68-162,687,903.21-67,665,035.61

Finding the Fourth Proportional to 117,892,549.68, 162,687,903.21 and 67,665,035.61

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Solution

The fourth proportional to 117,892,549.68, 162,687,903.21 and 67,665,035.61 is: 93,375,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,892,549.68 : 162,687,903.21 = 67,665,035.61 : x
  2. Step 2: Convert to fraction form
    117,892,549.68/162,687,903.21 = 67,665,035.61/x
  3. Step 3: Cross multiply
    117,892,549.68x = 162,687,903.21 × 67,665,035.61
  4. Step 4: Simplify right side
    117,892,549.68x = 11,008,282,764,020,884
  5. Step 5: Solve for x
    x = 11,008,282,764,020,884/117,892,549.68
  6. Step 6: Final answer
    x = 93,375,559.30

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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.