Home / 54,518,375.45-81,778,275.50-18,126,765.81

Finding the Fourth Proportional to 54,518,375.45, 81,778,275.50 and 18,126,765.81

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Solution

The fourth proportional to 54,518,375.45, 81,778,275.50 and 18,126,765.81 is: 27,190,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,518,375.45 : 81,778,275.50 = 18,126,765.81 : x
  2. Step 2: Convert to fraction form
    54,518,375.45/81,778,275.50 = 18,126,765.81/x
  3. Step 3: Cross multiply
    54,518,375.45x = 81,778,275.50 × 18,126,765.81
  4. Step 4: Simplify right side
    54,518,375.45x = 1,482,375,648,243,526.75
  5. Step 5: Solve for x
    x = 1,482,375,648,243,526.75/54,518,375.45
  6. Step 6: Final answer
    x = 27,190,385.55

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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.