Home / 75,690,172.32-113,120,569.92-55,262,959.44

Finding the Fourth Proportional to 75,690,172.32, 113,120,569.92 and 55,262,959.44

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Solution

The fourth proportional to 75,690,172.32, 113,120,569.92 and 55,262,959.44 is: 82,591,666.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,690,172.32 : 113,120,569.92 = 55,262,959.44 : x
  2. Step 2: Convert to fraction form
    75,690,172.32/113,120,569.92 = 55,262,959.44/x
  3. Step 3: Cross multiply
    75,690,172.32x = 113,120,569.92 × 55,262,959.44
  4. Step 4: Simplify right side
    75,690,172.32x = 6,251,377,467,318,644
  5. Step 5: Solve for x
    x = 6,251,377,467,318,644/75,690,172.32
  6. Step 6: Final answer
    x = 82,591,666.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.