Home / 64,517,147.20-96,775,720.80-28,615,355.20

Finding the Fourth Proportional to 64,517,147.20, 96,775,720.80 and 28,615,355.20

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Solution

The fourth proportional to 64,517,147.20, 96,775,720.80 and 28,615,355.20 is: 42,923,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,517,147.20 : 96,775,720.80 = 28,615,355.20 : x
  2. Step 2: Convert to fraction form
    64,517,147.20/96,775,720.80 = 28,615,355.20/x
  3. Step 3: Cross multiply
    64,517,147.20x = 96,775,720.80 × 28,615,355.20
  4. Step 4: Simplify right side
    64,517,147.20x = 2,769,271,625,428,028
  5. Step 5: Solve for x
    x = 2,769,271,625,428,028/64,517,147.20
  6. Step 6: Final answer
    x = 42,923,032.80

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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.