Home / 305,694,490.80-458,569,729.80-123,904,052.40

Finding the Fourth Proportional to 305,694,490.80, 458,569,729.80 and 123,904,052.40

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Solution

The fourth proportional to 305,694,490.80, 458,569,729.80 and 123,904,052.40 is: 185,867,424.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,694,490.80 : 458,569,729.80 = 123,904,052.40 : x
  2. Step 2: Convert to fraction form
    305,694,490.80/458,569,729.80 = 123,904,052.40/x
  3. Step 3: Cross multiply
    305,694,490.80x = 458,569,729.80 × 123,904,052.40
  4. Step 4: Simplify right side
    305,694,490.80x = 56,818,647,830,193,048
  5. Step 5: Solve for x
    x = 56,818,647,830,193,048/305,694,490.80
  6. Step 6: Final answer
    x = 185,867,424.96

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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.