Home / 131,072,512.80-196,656,008.40-54,450,530.40

Finding the Fourth Proportional to 131,072,512.80, 196,656,008.40 and 54,450,530.40

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Solution

The fourth proportional to 131,072,512.80, 196,656,008.40 and 54,450,530.40 is: 81,695,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,072,512.80 : 196,656,008.40 = 54,450,530.40 : x
  2. Step 2: Convert to fraction form
    131,072,512.80/196,656,008.40 = 54,450,530.40/x
  3. Step 3: Cross multiply
    131,072,512.80x = 196,656,008.40 × 54,450,530.40
  4. Step 4: Simplify right side
    131,072,512.80x = 10,708,023,963,726,856
  5. Step 5: Solve for x
    x = 10,708,023,963,726,856/131,072,512.80
  6. Step 6: Final answer
    x = 81,695,419.85

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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.