Home / 204,126,621.40-306,189,932.10-74,691,213.40

Finding the Fourth Proportional to 204,126,621.40, 306,189,932.10 and 74,691,213.40

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Solution

The fourth proportional to 204,126,621.40, 306,189,932.10 and 74,691,213.40 is: 112,036,820.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,126,621.40 : 306,189,932.10 = 74,691,213.40 : x
  2. Step 2: Convert to fraction form
    204,126,621.40/306,189,932.10 = 74,691,213.40/x
  3. Step 3: Cross multiply
    204,126,621.40x = 306,189,932.10 × 74,691,213.40
  4. Step 4: Simplify right side
    204,126,621.40x = 22,869,697,559,412,612
  5. Step 5: Solve for x
    x = 22,869,697,559,412,612/204,126,621.40
  6. Step 6: Final answer
    x = 112,036,820.10

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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.