Home / 131,328,021.80-196,992,032.70-88,329,852.20

Finding the Fourth Proportional to 131,328,021.80, 196,992,032.70 and 88,329,852.20

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Solution

The fourth proportional to 131,328,021.80, 196,992,032.70 and 88,329,852.20 is: 132,494,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,328,021.80 : 196,992,032.70 = 88,329,852.20 : x
  2. Step 2: Convert to fraction form
    131,328,021.80/196,992,032.70 = 88,329,852.20/x
  3. Step 3: Cross multiply
    131,328,021.80x = 196,992,032.70 × 88,329,852.20
  4. Step 4: Simplify right side
    131,328,021.80x = 17,400,277,132,968,566
  5. Step 5: Solve for x
    x = 17,400,277,132,968,566/131,328,021.80
  6. Step 6: Final answer
    x = 132,494,778.30

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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.