Home / 87,808,723.89-121,175,944.31-48,117,222.46

Finding the Fourth Proportional to 87,808,723.89, 121,175,944.31 and 48,117,222.46

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Solution

The fourth proportional to 87,808,723.89, 121,175,944.31 and 48,117,222.46 is: 66,401,715.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,808,723.89 : 121,175,944.31 = 48,117,222.46 : x
  2. Step 2: Convert to fraction form
    87,808,723.89/121,175,944.31 = 48,117,222.46/x
  3. Step 3: Cross multiply
    87,808,723.89x = 121,175,944.31 × 48,117,222.46
  4. Step 4: Simplify right side
    87,808,723.89x = 5,830,649,868,801,755
  5. Step 5: Solve for x
    x = 5,830,649,868,801,755/87,808,723.89
  6. Step 6: Final answer
    x = 66,401,715.12

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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.