Home / 65,664,147.20-98,354,503.20-54,326,739.20

Finding the Fourth Proportional to 65,664,147.20, 98,354,503.20 and 54,326,739.20

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Solution

The fourth proportional to 65,664,147.20, 98,354,503.20 and 54,326,739.20 is: 81,372,859.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,664,147.20 : 98,354,503.20 = 54,326,739.20 : x
  2. Step 2: Convert to fraction form
    65,664,147.20/98,354,503.20 = 54,326,739.20/x
  3. Step 3: Cross multiply
    65,664,147.20x = 98,354,503.20 × 54,326,739.20
  4. Step 4: Simplify right side
    65,664,147.20x = 5,343,279,444,491,966
  5. Step 5: Solve for x
    x = 5,343,279,444,491,966/65,664,147.20
  6. Step 6: Final answer
    x = 81,372,859.81

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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.