Home / 88,067,999.40-132,101,999.10-87,217,693.80

Finding the Fourth Proportional to 88,067,999.40, 132,101,999.10 and 87,217,693.80

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Solution

The fourth proportional to 88,067,999.40, 132,101,999.10 and 87,217,693.80 is: 130,826,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,067,999.40 : 132,101,999.10 = 87,217,693.80 : x
  2. Step 2: Convert to fraction form
    88,067,999.40/132,101,999.10 = 87,217,693.80/x
  3. Step 3: Cross multiply
    88,067,999.40x = 132,101,999.10 × 87,217,693.80
  4. Step 4: Simplify right side
    88,067,999.40x = 11,521,631,707,871,674
  5. Step 5: Solve for x
    x = 11,521,631,707,871,674/88,067,999.40
  6. Step 6: Final answer
    x = 130,826,540.70

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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.