Home / 80,752,803.74-111,439,323-45,945,494.18

Finding the Fourth Proportional to 80,752,803.74, 111,439,323 and 45,945,494.18

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Solution

The fourth proportional to 80,752,803.74, 111,439,323 and 45,945,494.18 is: 63,405,040.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,752,803.74 : 111,439,323 = 45,945,494.18 : x
  2. Step 2: Convert to fraction form
    80,752,803.74/111,439,323 = 45,945,494.18/x
  3. Step 3: Cross multiply
    80,752,803.74x = 111,439,323 × 45,945,494.18
  4. Step 4: Simplify right side
    80,752,803.74x = 5,120,134,766,319,640
  5. Step 5: Solve for x
    x = 5,120,134,766,319,640/80,752,803.74
  6. Step 6: Final answer
    x = 63,405,040.19

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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.