Home / 83,162,990.16-124,135,367.04-73,345,634.64

Finding the Fourth Proportional to 83,162,990.16, 124,135,367.04 and 73,345,634.64

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Solution

The fourth proportional to 83,162,990.16, 124,135,367.04 and 73,345,634.64 is: 109,481,239.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,162,990.16 : 124,135,367.04 = 73,345,634.64 : x
  2. Step 2: Convert to fraction form
    83,162,990.16/124,135,367.04 = 73,345,634.64/x
  3. Step 3: Cross multiply
    83,162,990.16x = 124,135,367.04 × 73,345,634.64
  4. Step 4: Simplify right side
    83,162,990.16x = 9,104,787,276,818,138
  5. Step 5: Solve for x
    x = 9,104,787,276,818,138/83,162,990.16
  6. Step 6: Final answer
    x = 109,481,239.90

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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.