Home / 67,392,119.60-101,088,179.40-66,720,273.20

Finding the Fourth Proportional to 67,392,119.60, 101,088,179.40 and 66,720,273.20

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Solution

The fourth proportional to 67,392,119.60, 101,088,179.40 and 66,720,273.20 is: 100,080,409.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,392,119.60 : 101,088,179.40 = 66,720,273.20 : x
  2. Step 2: Convert to fraction form
    67,392,119.60/101,088,179.40 = 66,720,273.20/x
  3. Step 3: Cross multiply
    67,392,119.60x = 101,088,179.40 × 66,720,273.20
  4. Step 4: Simplify right side
    67,392,119.60x = 6,744,630,946,858,613
  5. Step 5: Solve for x
    x = 6,744,630,946,858,613/67,392,119.60
  6. Step 6: Final answer
    x = 100,080,409.80

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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.