Home / 130,745,713.41-180,425,399.24-71,205,665.62

Finding the Fourth Proportional to 130,745,713.41, 180,425,399.24 and 71,205,665.62

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Solution

The fourth proportional to 130,745,713.41, 180,425,399.24 and 71,205,665.62 is: 98,261,811.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,745,713.41 : 180,425,399.24 = 71,205,665.62 : x
  2. Step 2: Convert to fraction form
    130,745,713.41/180,425,399.24 = 71,205,665.62/x
  3. Step 3: Cross multiply
    130,745,713.41x = 180,425,399.24 × 71,205,665.62
  4. Step 4: Simplify right side
    130,745,713.41x = 12,847,310,647,365,394
  5. Step 5: Solve for x
    x = 12,847,310,647,365,394/130,745,713.41
  6. Step 6: Final answer
    x = 98,261,811.51

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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.