Home / 156,829,346.20-235,244,019.30-80,126,882.20

Finding the Fourth Proportional to 156,829,346.20, 235,244,019.30 and 80,126,882.20

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Solution

The fourth proportional to 156,829,346.20, 235,244,019.30 and 80,126,882.20 is: 120,190,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,829,346.20 : 235,244,019.30 = 80,126,882.20 : x
  2. Step 2: Convert to fraction form
    156,829,346.20/235,244,019.30 = 80,126,882.20/x
  3. Step 3: Cross multiply
    156,829,346.20x = 235,244,019.30 × 80,126,882.20
  4. Step 4: Simplify right side
    156,829,346.20x = 18,849,369,822,705,628
  5. Step 5: Solve for x
    x = 18,849,369,822,705,628/156,829,346.20
  6. Step 6: Final answer
    x = 120,190,323.30

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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.