Home / 88,128,001.80-132,192,002.70-71,121,889.80

Finding the Fourth Proportional to 88,128,001.80, 132,192,002.70 and 71,121,889.80

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Solution

The fourth proportional to 88,128,001.80, 132,192,002.70 and 71,121,889.80 is: 106,682,834.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,128,001.80 : 132,192,002.70 = 71,121,889.80 : x
  2. Step 2: Convert to fraction form
    88,128,001.80/132,192,002.70 = 71,121,889.80/x
  3. Step 3: Cross multiply
    88,128,001.80x = 132,192,002.70 × 71,121,889.80
  4. Step 4: Simplify right side
    88,128,001.80x = 9,401,745,048,470,702
  5. Step 5: Solve for x
    x = 9,401,745,048,470,702/88,128,001.80
  6. Step 6: Final answer
    x = 106,682,834.70

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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.