Home / 80,474,173.80-120,711,260.70-29,357,860.20

Finding the Fourth Proportional to 80,474,173.80, 120,711,260.70 and 29,357,860.20

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Solution

The fourth proportional to 80,474,173.80, 120,711,260.70 and 29,357,860.20 is: 44,036,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,474,173.80 : 120,711,260.70 = 29,357,860.20 : x
  2. Step 2: Convert to fraction form
    80,474,173.80/120,711,260.70 = 29,357,860.20/x
  3. Step 3: Cross multiply
    80,474,173.80x = 120,711,260.70 × 29,357,860.20
  4. Step 4: Simplify right side
    80,474,173.80x = 3,543,824,316,196,354
  5. Step 5: Solve for x
    x = 3,543,824,316,196,354/80,474,173.80
  6. Step 6: Final answer
    x = 44,036,790.30

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1.5x scale

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.