Home / 186,702,342.30-280,053,513.45-100,608,900.30

Finding the Fourth Proportional to 186,702,342.30, 280,053,513.45 and 100,608,900.30

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Solution

The fourth proportional to 186,702,342.30, 280,053,513.45 and 100,608,900.30 is: 150,913,350.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,702,342.30 : 280,053,513.45 = 100,608,900.30 : x
  2. Step 2: Convert to fraction form
    186,702,342.30/280,053,513.45 = 100,608,900.30/x
  3. Step 3: Cross multiply
    186,702,342.30x = 280,053,513.45 × 100,608,900.30
  4. Step 4: Simplify right side
    186,702,342.30x = 28,175,876,013,355,756
  5. Step 5: Solve for x
    x = 28,175,876,013,355,756/186,702,342.30
  6. Step 6: Final answer
    x = 150,913,350.45

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Similar ratio
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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.