Home / 87,910,678,756.06-131,920,257,150.21-40,738,360,015.42

Finding the Fourth Proportional to 87,910,678,756.06, 131,920,257,150.21 and 40,738,360,015.42

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Solution

The fourth proportional to 87,910,678,756.06, 131,920,257,150.21 and 40,738,360,015.42 is: 61,132,674,723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,910,678,756.06 : 131,920,257,150.21 = 40,738,360,015.42 : x
  2. Step 2: Convert to fraction form
    87,910,678,756.06/131,920,257,150.21 = 40,738,360,015.42/x
  3. Step 3: Cross multiply
    87,910,678,756.06x = 131,920,257,150.21 × 40,738,360,015.42
  4. Step 4: Simplify right side
    87,910,678,756.06x = 5,374,214,929,112,039,948,288
  5. Step 5: Solve for x
    x = 5,374,214,929,112,039,948,288/87,910,678,756.06
  6. Step 6: Final answer
    x = 61,132,674,723.45

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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.