Home / 55,332,380.40-82,998,570.60-36,222,082.80

Finding the Fourth Proportional to 55,332,380.40, 82,998,570.60 and 36,222,082.80

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Solution

The fourth proportional to 55,332,380.40, 82,998,570.60 and 36,222,082.80 is: 54,333,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,332,380.40 : 82,998,570.60 = 36,222,082.80 : x
  2. Step 2: Convert to fraction form
    55,332,380.40/82,998,570.60 = 36,222,082.80/x
  3. Step 3: Cross multiply
    55,332,380.40x = 82,998,570.60 × 36,222,082.80
  4. Step 4: Simplify right side
    55,332,380.40x = 3,006,381,096,554,845
  5. Step 5: Solve for x
    x = 3,006,381,096,554,845/55,332,380.40
  6. Step 6: Final answer
    x = 54,333,124.20

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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.