Home / 84,128,082.40-126,192,123.60-33,011,768.80

Finding the Fourth Proportional to 84,128,082.40, 126,192,123.60 and 33,011,768.80

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Solution

The fourth proportional to 84,128,082.40, 126,192,123.60 and 33,011,768.80 is: 49,517,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,128,082.40 : 126,192,123.60 = 33,011,768.80 : x
  2. Step 2: Convert to fraction form
    84,128,082.40/126,192,123.60 = 33,011,768.80/x
  3. Step 3: Cross multiply
    84,128,082.40x = 126,192,123.60 × 33,011,768.80
  4. Step 4: Simplify right side
    84,128,082.40x = 4,165,825,208,664,223.50
  5. Step 5: Solve for x
    x = 4,165,825,208,664,223.50/84,128,082.40
  6. Step 6: Final answer
    x = 49,517,653.20

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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.