Home / 54,518,377.28-81,778,278.22-18,126,767.62

Finding the Fourth Proportional to 54,518,377.28, 81,778,278.22 and 18,126,767.62

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Solution

The fourth proportional to 54,518,377.28, 81,778,278.22 and 18,126,767.62 is: 27,190,388.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,518,377.28 : 81,778,278.22 = 18,126,767.62 : x
  2. Step 2: Convert to fraction form
    54,518,377.28/81,778,278.22 = 18,126,767.62/x
  3. Step 3: Cross multiply
    54,518,377.28x = 81,778,278.22 × 18,126,767.62
  4. Step 4: Simplify right side
    54,518,377.28x = 1,482,375,845,657,647.25
  5. Step 5: Solve for x
    x = 1,482,375,845,657,647.25/54,518,377.28
  6. Step 6: Final answer
    x = 27,190,388.26

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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.