Home / 100,990,604.88-151,152,126.85-91,915,481.72

Finding the Fourth Proportional to 100,990,604.88, 151,152,126.85 and 91,915,481.72

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Solution

The fourth proportional to 100,990,604.88, 151,152,126.85 and 91,915,481.72 is: 137,569,435.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,990,604.88 : 151,152,126.85 = 91,915,481.72 : x
  2. Step 2: Convert to fraction form
    100,990,604.88/151,152,126.85 = 91,915,481.72/x
  3. Step 3: Cross multiply
    100,990,604.88x = 151,152,126.85 × 91,915,481.72
  4. Step 4: Simplify right side
    100,990,604.88x = 13,893,220,552,420,296
  5. Step 5: Solve for x
    x = 13,893,220,552,420,296/100,990,604.88
  6. Step 6: Final answer
    x = 137,569,435.98

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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.