Home / 79,074,772.20-118,683,017.10-68,304,234.60

Finding the Fourth Proportional to 79,074,772.20, 118,683,017.10 and 68,304,234.60

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Solution

The fourth proportional to 79,074,772.20, 118,683,017.10 and 68,304,234.60 is: 102,517,559.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,074,772.20 : 118,683,017.10 = 68,304,234.60 : x
  2. Step 2: Convert to fraction form
    79,074,772.20/118,683,017.10 = 68,304,234.60/x
  3. Step 3: Cross multiply
    79,074,772.20x = 118,683,017.10 × 68,304,234.60
  4. Step 4: Simplify right side
    79,074,772.20x = 8,106,552,643,034,211
  5. Step 5: Solve for x
    x = 8,106,552,643,034,211/79,074,772.20
  6. Step 6: Final answer
    x = 102,517,559.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.