Home / 179,086,015.40-268,496,312.70-121,434,405.80

Finding the Fourth Proportional to 179,086,015.40, 268,496,312.70 and 121,434,405.80

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Solution

The fourth proportional to 179,086,015.40, 268,496,312.70 and 121,434,405.80 is: 182,061,620.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,086,015.40 : 268,496,312.70 = 121,434,405.80 : x
  2. Step 2: Convert to fraction form
    179,086,015.40/268,496,312.70 = 121,434,405.80/x
  3. Step 3: Cross multiply
    179,086,015.40x = 268,496,312.70 × 121,434,405.80
  4. Step 4: Simplify right side
    179,086,015.40x = 32,604,690,192,215,492
  5. Step 5: Solve for x
    x = 32,604,690,192,215,492/179,086,015.40
  6. Step 6: Final answer
    x = 182,061,620.61

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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.