Home / 57,639,211.74-86,458,711.01-18,777,617.34

Finding the Fourth Proportional to 57,639,211.74, 86,458,711.01 and 18,777,617.34

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Solution

The fourth proportional to 57,639,211.74, 86,458,711.01 and 18,777,617.34 is: 28,166,391.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,639,211.74 : 86,458,711.01 = 18,777,617.34 : x
  2. Step 2: Convert to fraction form
    57,639,211.74/86,458,711.01 = 18,777,617.34/x
  3. Step 3: Cross multiply
    57,639,211.74x = 86,458,711.01 × 18,777,617.34
  4. Step 4: Simplify right side
    57,639,211.74x = 1,623,488,591,055,425
  5. Step 5: Solve for x
    x = 1,623,488,591,055,425/57,639,211.74
  6. Step 6: Final answer
    x = 28,166,391.28

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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.