Home / 130,407,432.20-195,611,148.30-92,143,680.20

Finding the Fourth Proportional to 130,407,432.20, 195,611,148.30 and 92,143,680.20

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Solution

The fourth proportional to 130,407,432.20, 195,611,148.30 and 92,143,680.20 is: 138,215,520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,407,432.20 : 195,611,148.30 = 92,143,680.20 : x
  2. Step 2: Convert to fraction form
    130,407,432.20/195,611,148.30 = 92,143,680.20/x
  3. Step 3: Cross multiply
    130,407,432.20x = 195,611,148.30 × 92,143,680.20
  4. Step 4: Simplify right side
    130,407,432.20x = 18,024,331,092,509,976
  5. Step 5: Solve for x
    x = 18,024,331,092,509,976/130,407,432.20
  6. Step 6: Final answer
    x = 138,215,520.30

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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.