Home / 163,120,282.70-225,105,977.31-88,781,375.90

Finding the Fourth Proportional to 163,120,282.70, 225,105,977.31 and 88,781,375.90

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Solution

The fourth proportional to 163,120,282.70, 225,105,977.31 and 88,781,375.90 is: 122,518,291.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,120,282.70 : 225,105,977.31 = 88,781,375.90 : x
  2. Step 2: Convert to fraction form
    163,120,282.70/225,105,977.31 = 88,781,375.90/x
  3. Step 3: Cross multiply
    163,120,282.70x = 225,105,977.31 × 88,781,375.90
  4. Step 4: Simplify right side
    163,120,282.70x = 19,985,218,388,895,984
  5. Step 5: Solve for x
    x = 19,985,218,388,895,984/163,120,282.70
  6. Step 6: Final answer
    x = 122,518,291.77

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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.