Home / 80,029,292.88-110,438,981.52-45,221,234.16

Finding the Fourth Proportional to 80,029,292.88, 110,438,981.52 and 45,221,234.16

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Solution

The fourth proportional to 80,029,292.88, 110,438,981.52 and 45,221,234.16 is: 62,404,487.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,029,292.88 : 110,438,981.52 = 45,221,234.16 : x
  2. Step 2: Convert to fraction form
    80,029,292.88/110,438,981.52 = 45,221,234.16/x
  3. Step 3: Cross multiply
    80,029,292.88x = 110,438,981.52 × 45,221,234.16
  4. Step 4: Simplify right side
    80,029,292.88x = 4,994,187,043,707,832
  5. Step 5: Solve for x
    x = 4,994,187,043,707,832/80,029,292.88
  6. Step 6: Final answer
    x = 62,404,487.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.