Home / 80,522,634.86-111,124,381.65-45,718,563.50

Finding the Fourth Proportional to 80,522,634.86, 111,124,381.65 and 45,718,563.50

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Solution

The fourth proportional to 80,522,634.86, 111,124,381.65 and 45,718,563.50 is: 63,093,403.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,522,634.86 : 111,124,381.65 = 45,718,563.50 : x
  2. Step 2: Convert to fraction form
    80,522,634.86/111,124,381.65 = 45,718,563.50/x
  3. Step 3: Cross multiply
    80,522,634.86x = 111,124,381.65 × 45,718,563.50
  4. Step 4: Simplify right side
    80,522,634.86x = 5,080,447,098,863,760
  5. Step 5: Solve for x
    x = 5,080,447,098,863,760/80,522,634.86
  6. Step 6: Final answer
    x = 63,093,403.58

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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.