Home / 55,332,219.40-82,998,329.10-36,221,921.80

Finding the Fourth Proportional to 55,332,219.40, 82,998,329.10 and 36,221,921.80

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Solution

The fourth proportional to 55,332,219.40, 82,998,329.10 and 36,221,921.80 is: 54,332,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,332,219.40 : 82,998,329.10 = 36,221,921.80 : x
  2. Step 2: Convert to fraction form
    55,332,219.40/82,998,329.10 = 36,221,921.80/x
  3. Step 3: Cross multiply
    55,332,219.40x = 82,998,329.10 × 36,221,921.80
  4. Step 4: Simplify right side
    55,332,219.40x = 3,006,358,986,190,864
  5. Step 5: Solve for x
    x = 3,006,358,986,190,864/55,332,219.40
  6. Step 6: Final answer
    x = 54,332,882.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.