Home / 87,824,707.89-121,197,770.42-48,666,453.60

Finding the Fourth Proportional to 87,824,707.89, 121,197,770.42 and 48,666,453.60

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Solution

The fourth proportional to 87,824,707.89, 121,197,770.42 and 48,666,453.60 is: 67,159,525.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,824,707.89 : 121,197,770.42 = 48,666,453.60 : x
  2. Step 2: Convert to fraction form
    87,824,707.89/121,197,770.42 = 48,666,453.60/x
  3. Step 3: Cross multiply
    87,824,707.89x = 121,197,770.42 × 48,666,453.60
  4. Step 4: Simplify right side
    87,824,707.89x = 5,898,265,670,371,797
  5. Step 5: Solve for x
    x = 5,898,265,670,371,797/87,824,707.89
  6. Step 6: Final answer
    x = 67,159,525.06

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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.