Home / 121,566,956.87-182,423,060.25-111,676,489.94

Finding the Fourth Proportional to 121,566,956.87, 182,423,060.25 and 111,676,489.94

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Solution

The fourth proportional to 121,566,956.87, 182,423,060.25 and 111,676,489.94 is: 167,581,451.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,566,956.87 : 182,423,060.25 = 111,676,489.94 : x
  2. Step 2: Convert to fraction form
    121,566,956.87/182,423,060.25 = 111,676,489.94/x
  3. Step 3: Cross multiply
    121,566,956.87x = 182,423,060.25 × 111,676,489.94
  4. Step 4: Simplify right side
    121,566,956.87x = 20,372,367,052,833,140
  5. Step 5: Solve for x
    x = 20,372,367,052,833,140/121,566,956.87
  6. Step 6: Final answer
    x = 167,581,451.22

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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.