Home / 186,912,000.20-280,368,000.30-106,290,432.20

Finding the Fourth Proportional to 186,912,000.20, 280,368,000.30 and 106,290,432.20

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Solution

The fourth proportional to 186,912,000.20, 280,368,000.30 and 106,290,432.20 is: 159,435,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,912,000.20 : 280,368,000.30 = 106,290,432.20 : x
  2. Step 2: Convert to fraction form
    186,912,000.20/280,368,000.30 = 106,290,432.20/x
  3. Step 3: Cross multiply
    186,912,000.20x = 280,368,000.30 × 106,290,432.20
  4. Step 4: Simplify right side
    186,912,000.20x = 29,800,435,926,936,732
  5. Step 5: Solve for x
    x = 29,800,435,926,936,732/186,912,000.20
  6. Step 6: Final answer
    x = 159,435,648.30

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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.