Home / 65,443,382.44-90,311,131.90-35,673,378.12

Finding the Fourth Proportional to 65,443,382.44, 90,311,131.90 and 35,673,378.12

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Solution

The fourth proportional to 65,443,382.44, 90,311,131.90 and 35,673,378.12 is: 49,228,860.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,443,382.44 : 90,311,131.90 = 35,673,378.12 : x
  2. Step 2: Convert to fraction form
    65,443,382.44/90,311,131.90 = 35,673,378.12/x
  3. Step 3: Cross multiply
    65,443,382.44x = 90,311,131.90 × 35,673,378.12
  4. Step 4: Simplify right side
    65,443,382.44x = 3,221,703,156,713,894
  5. Step 5: Solve for x
    x = 3,221,703,156,713,894/65,443,382.44
  6. Step 6: Final answer
    x = 49,228,860.68

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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.