Home / 64,517,331.20-96,775,996.80-28,615,539.20

Finding the Fourth Proportional to 64,517,331.20, 96,775,996.80 and 28,615,539.20

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Solution

The fourth proportional to 64,517,331.20, 96,775,996.80 and 28,615,539.20 is: 42,923,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,517,331.20 : 96,775,996.80 = 28,615,539.20 : x
  2. Step 2: Convert to fraction form
    64,517,331.20/96,775,996.80 = 28,615,539.20/x
  3. Step 3: Cross multiply
    64,517,331.20x = 96,775,996.80 × 28,615,539.20
  4. Step 4: Simplify right side
    64,517,331.20x = 2,769,297,330,049,474.50
  5. Step 5: Solve for x
    x = 2,769,297,330,049,474.50/64,517,331.20
  6. Step 6: Final answer
    x = 42,923,308.80

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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.