Home / 121,358,995,199.76-167,474,179,771.20-67,165,649,057.28

Finding the Fourth Proportional to 121,358,995,199.76, 167,474,179,771.20 and 67,165,649,057.28

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Solution

The fourth proportional to 121,358,995,199.76, 167,474,179,771.20 and 67,165,649,057.28 is: 92,687,912,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,358,995,199.76 : 167,474,179,771.20 = 67,165,649,057.28 : x
  2. Step 2: Convert to fraction form
    121,358,995,199.76/167,474,179,771.20 = 67,165,649,057.28/x
  3. Step 3: Cross multiply
    121,358,995,199.76x = 167,474,179,771.20 × 67,165,649,057.28
  4. Step 4: Simplify right side
    121,358,995,199.76x = 11,248,511,984,668,241,821,696
  5. Step 5: Solve for x
    x = 11,248,511,984,668,241,821,696/121,358,995,199.76
  6. Step 6: Final answer
    x = 92,687,912,965.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.