Home / 80,074,002.70-120,111,004.05-46,061,778.70

Finding the Fourth Proportional to 80,074,002.70, 120,111,004.05 and 46,061,778.70

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Solution

The fourth proportional to 80,074,002.70, 120,111,004.05 and 46,061,778.70 is: 69,092,668.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,074,002.70 : 120,111,004.05 = 46,061,778.70 : x
  2. Step 2: Convert to fraction form
    80,074,002.70/120,111,004.05 = 46,061,778.70/x
  3. Step 3: Cross multiply
    80,074,002.70x = 120,111,004.05 × 46,061,778.70
  4. Step 4: Simplify right side
    80,074,002.70x = 5,532,526,487,985,904
  5. Step 5: Solve for x
    x = 5,532,526,487,985,904/80,074,002.70
  6. Step 6: Final answer
    x = 69,092,668.05

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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.