Home / 54,161,867.16-81,242,521.02-13,221,522.54

Finding the Fourth Proportional to 54,161,867.16, 81,242,521.02 and 13,221,522.54

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Solution

The fourth proportional to 54,161,867.16, 81,242,521.02 and 13,221,522.54 is: 19,832,215.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,161,867.16 : 81,242,521.02 = 13,221,522.54 : x
  2. Step 2: Convert to fraction form
    54,161,867.16/81,242,521.02 = 13,221,522.54/x
  3. Step 3: Cross multiply
    54,161,867.16x = 81,242,521.02 × 13,221,522.54
  4. Step 4: Simplify right side
    54,161,867.16x = 1,074,149,822,872,353.62
  5. Step 5: Solve for x
    x = 1,074,149,822,872,353.62/54,161,867.16
  6. Step 6: Final answer
    x = 19,832,215.53

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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.