Home / 141,470,220,538.23-195,246,024,129.90-80,517,408,147.96

Finding the Fourth Proportional to 141,470,220,538.23, 195,246,024,129.90 and 80,517,408,147.96

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Solution

The fourth proportional to 141,470,220,538.23, 195,246,024,129.90 and 80,517,408,147.96 is: 111,123,766,926.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,470,220,538.23 : 195,246,024,129.90 = 80,517,408,147.96 : x
  2. Step 2: Convert to fraction form
    141,470,220,538.23/195,246,024,129.90 = 80,517,408,147.96/x
  3. Step 3: Cross multiply
    141,470,220,538.23x = 195,246,024,129.90 × 80,517,408,147.96
  4. Step 4: Simplify right side
    141,470,220,538.23x = 15,720,703,814,132,628,979,712
  5. Step 5: Solve for x
    x = 15,720,703,814,132,628,979,712/141,470,220,538.23
  6. Step 6: Final answer
    x = 111,123,766,926.51

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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.