Home / 131,328,011.80-196,992,017.70-88,329,842.20

Finding the Fourth Proportional to 131,328,011.80, 196,992,017.70 and 88,329,842.20

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Solution

The fourth proportional to 131,328,011.80, 196,992,017.70 and 88,329,842.20 is: 132,494,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,328,011.80 : 196,992,017.70 = 88,329,842.20 : x
  2. Step 2: Convert to fraction form
    131,328,011.80/196,992,017.70 = 88,329,842.20/x
  3. Step 3: Cross multiply
    131,328,011.80x = 196,992,017.70 × 88,329,842.20
  4. Step 4: Simplify right side
    131,328,011.80x = 17,400,273,838,100,606
  5. Step 5: Solve for x
    x = 17,400,273,838,100,606/131,328,011.80
  6. Step 6: Final answer
    x = 132,494,763.30

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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.