Home / 69,984,076.10-104,976,114.15-18,871,261.70

Finding the Fourth Proportional to 69,984,076.10, 104,976,114.15 and 18,871,261.70

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Solution

The fourth proportional to 69,984,076.10, 104,976,114.15 and 18,871,261.70 is: 28,306,892.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,076.10 : 104,976,114.15 = 18,871,261.70 : x
  2. Step 2: Convert to fraction form
    69,984,076.10/104,976,114.15 = 18,871,261.70/x
  3. Step 3: Cross multiply
    69,984,076.10x = 104,976,114.15 × 18,871,261.70
  4. Step 4: Simplify right side
    69,984,076.10x = 1,981,031,722,373,723
  5. Step 5: Solve for x
    x = 1,981,031,722,373,723/69,984,076.10
  6. Step 6: Final answer
    x = 28,306,892.55

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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.