Home / 91,019,246,457.57-125,605,634,908.11-50,374,236,850.71

Finding the Fourth Proportional to 91,019,246,457.57, 125,605,634,908.11 and 50,374,236,850.71

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Solution

The fourth proportional to 91,019,246,457.57, 125,605,634,908.11 and 50,374,236,850.71 is: 69,515,934,803.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,019,246,457.57 : 125,605,634,908.11 = 50,374,236,850.71 : x
  2. Step 2: Convert to fraction form
    91,019,246,457.57/125,605,634,908.11 = 50,374,236,850.71/x
  3. Step 3: Cross multiply
    91,019,246,457.57x = 125,605,634,908.11 × 50,374,236,850.71
  4. Step 4: Simplify right side
    91,019,246,457.57x = 6,327,288,002,644,940,947,456
  5. Step 5: Solve for x
    x = 6,327,288,002,644,940,947,456/91,019,246,457.57
  6. Step 6: Final answer
    x = 69,515,934,803.90

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Double scale
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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.