Home / 80,424,374.46-110,980,943.55-45,138,900.66

Finding the Fourth Proportional to 80,424,374.46, 110,980,943.55 and 45,138,900.66

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Solution

The fourth proportional to 80,424,374.46, 110,980,943.55 and 45,138,900.66 is: 62,289,048.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,424,374.46 : 110,980,943.55 = 45,138,900.66 : x
  2. Step 2: Convert to fraction form
    80,424,374.46/110,980,943.55 = 45,138,900.66/x
  3. Step 3: Cross multiply
    80,424,374.46x = 110,980,943.55 × 45,138,900.66
  4. Step 4: Simplify right side
    80,424,374.46x = 5,009,557,786,056,517
  5. Step 5: Solve for x
    x = 5,009,557,786,056,517/80,424,374.46
  6. Step 6: Final answer
    x = 62,289,048.81

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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.