Home / 65,836,739.28-98,719,108.20-52,276,989.36

Finding the Fourth Proportional to 65,836,739.28, 98,719,108.20 and 52,276,989.36

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Solution

The fourth proportional to 65,836,739.28, 98,719,108.20 and 52,276,989.36 is: 78,386,898.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,836,739.28 : 98,719,108.20 = 52,276,989.36 : x
  2. Step 2: Convert to fraction form
    65,836,739.28/98,719,108.20 = 52,276,989.36/x
  3. Step 3: Cross multiply
    65,836,739.28x = 98,719,108.20 × 52,276,989.36
  4. Step 4: Simplify right side
    65,836,739.28x = 5,160,737,769,000,089
  5. Step 5: Solve for x
    x = 5,160,737,769,000,089/65,836,739.28
  6. Step 6: Final answer
    x = 78,386,898.04

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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.