Home / 99,129,662.40-148,694,493.60-76,454,846.40

Finding the Fourth Proportional to 99,129,662.40, 148,694,493.60 and 76,454,846.40

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Solution

The fourth proportional to 99,129,662.40, 148,694,493.60 and 76,454,846.40 is: 114,682,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,129,662.40 : 148,694,493.60 = 76,454,846.40 : x
  2. Step 2: Convert to fraction form
    99,129,662.40/148,694,493.60 = 76,454,846.40/x
  3. Step 3: Cross multiply
    99,129,662.40x = 148,694,493.60 × 76,454,846.40
  4. Step 4: Simplify right side
    99,129,662.40x = 11,368,414,668,713,784
  5. Step 5: Solve for x
    x = 11,368,414,668,713,784/99,129,662.40
  6. Step 6: Final answer
    x = 114,682,269.60

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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.