Home / 80,660,169.50-120,990,069.72-34,572,154.37

Finding the Fourth Proportional to 80,660,169.50, 120,990,069.72 and 34,572,154.37

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Solution

The fourth proportional to 80,660,169.50, 120,990,069.72 and 34,572,154.37 is: 51,858,152.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,660,169.50 : 120,990,069.72 = 34,572,154.37 : x
  2. Step 2: Convert to fraction form
    80,660,169.50/120,990,069.72 = 34,572,154.37/x
  3. Step 3: Cross multiply
    80,660,169.50x = 120,990,069.72 × 34,572,154.37
  4. Step 4: Simplify right side
    80,660,169.50x = 4,182,887,366,991,952.50
  5. Step 5: Solve for x
    x = 4,182,887,366,991,952.50/80,660,169.50
  6. Step 6: Final answer
    x = 51,858,152.46

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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.