Home / 131,868,003.70-197,802,005.55-91,053,334.90

Finding the Fourth Proportional to 131,868,003.70, 197,802,005.55 and 91,053,334.90

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Solution

The fourth proportional to 131,868,003.70, 197,802,005.55 and 91,053,334.90 is: 136,580,002.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,868,003.70 : 197,802,005.55 = 91,053,334.90 : x
  2. Step 2: Convert to fraction form
    131,868,003.70/197,802,005.55 = 91,053,334.90/x
  3. Step 3: Cross multiply
    131,868,003.70x = 197,802,005.55 × 91,053,334.90
  4. Step 4: Simplify right side
    131,868,003.70x = 18,010,532,255,235,810
  5. Step 5: Solve for x
    x = 18,010,532,255,235,810/131,868,003.70
  6. Step 6: Final answer
    x = 136,580,002.35

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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.