Home / 88,128,019.70-132,192,029.55-64,240,147.70

Finding the Fourth Proportional to 88,128,019.70, 132,192,029.55 and 64,240,147.70

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Solution

The fourth proportional to 88,128,019.70, 132,192,029.55 and 64,240,147.70 is: 96,360,221.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,128,019.70 : 132,192,029.55 = 64,240,147.70 : x
  2. Step 2: Convert to fraction form
    88,128,019.70/132,192,029.55 = 64,240,147.70/x
  3. Step 3: Cross multiply
    88,128,019.70x = 132,192,029.55 × 64,240,147.70
  4. Step 4: Simplify right side
    88,128,019.70x = 8,492,035,503,054,765
  5. Step 5: Solve for x
    x = 8,492,035,503,054,765/88,128,019.70
  6. Step 6: Final answer
    x = 96,360,221.55

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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.