Home / 40,193,338.05-55,479,295.58-31,948,030.94

Finding the Fourth Proportional to 40,193,338.05, 55,479,295.58 and 31,948,030.94

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Solution

The fourth proportional to 40,193,338.05, 55,479,295.58 and 31,948,030.94 is: 44,098,209.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,193,338.05 : 55,479,295.58 = 31,948,030.94 : x
  2. Step 2: Convert to fraction form
    40,193,338.05/55,479,295.58 = 31,948,030.94/x
  3. Step 3: Cross multiply
    40,193,338.05x = 55,479,295.58 × 31,948,030.94
  4. Step 4: Simplify right side
    40,193,338.05x = 1,772,454,251,282,108.75
  5. Step 5: Solve for x
    x = 1,772,454,251,282,108.75/40,193,338.05
  6. Step 6: Final answer
    x = 44,098,209.74

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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.