Home / 98,218,631.70-147,268,604.52-39,140,099.30

Finding the Fourth Proportional to 98,218,631.70, 147,268,604.52 and 39,140,099.30

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Solution

The fourth proportional to 98,218,631.70, 147,268,604.52 and 39,140,099.30 is: 58,686,500.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,218,631.70 : 147,268,604.52 = 39,140,099.30 : x
  2. Step 2: Convert to fraction form
    98,218,631.70/147,268,604.52 = 39,140,099.30/x
  3. Step 3: Cross multiply
    98,218,631.70x = 147,268,604.52 × 39,140,099.30
  4. Step 4: Simplify right side
    98,218,631.70x = 5,764,107,805,053,401
  5. Step 5: Solve for x
    x = 5,764,107,805,053,401/98,218,631.70
  6. Step 6: Final answer
    x = 58,686,500.77

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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.