Home / 45,565,891.20-68,348,836.80-13,653,187.20

Finding the Fourth Proportional to 45,565,891.20, 68,348,836.80 and 13,653,187.20

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Solution

The fourth proportional to 45,565,891.20, 68,348,836.80 and 13,653,187.20 is: 20,479,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,565,891.20 : 68,348,836.80 = 13,653,187.20 : x
  2. Step 2: Convert to fraction form
    45,565,891.20/68,348,836.80 = 13,653,187.20/x
  3. Step 3: Cross multiply
    45,565,891.20x = 68,348,836.80 × 13,653,187.20
  4. Step 4: Simplify right side
    45,565,891.20x = 933,179,463,732,648.88
  5. Step 5: Solve for x
    x = 933,179,463,732,648.88/45,565,891.20
  6. Step 6: Final answer
    x = 20,479,780.80

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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.