Home / 54,062,155.69-81,092,374.53-13,121,933.65

Finding the Fourth Proportional to 54,062,155.69, 81,092,374.53 and 13,121,933.65

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Solution

The fourth proportional to 54,062,155.69, 81,092,374.53 and 13,121,933.65 is: 19,682,691.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,062,155.69 : 81,092,374.53 = 13,121,933.65 : x
  2. Step 2: Convert to fraction form
    54,062,155.69/81,092,374.53 = 13,121,933.65/x
  3. Step 3: Cross multiply
    54,062,155.69x = 81,092,374.53 × 13,121,933.65
  4. Step 4: Simplify right side
    54,062,155.69x = 1,064,088,758,103,610
  5. Step 5: Solve for x
    x = 1,064,088,758,103,610/54,062,155.69
  6. Step 6: Final answer
    x = 19,682,691.98

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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.