Home / 192,486,374.10-288,729,561.15-185,683,929.30

Finding the Fourth Proportional to 192,486,374.10, 288,729,561.15 and 185,683,929.30

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Solution

The fourth proportional to 192,486,374.10, 288,729,561.15 and 185,683,929.30 is: 278,525,893.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,486,374.10 : 288,729,561.15 = 185,683,929.30 : x
  2. Step 2: Convert to fraction form
    192,486,374.10/288,729,561.15 = 185,683,929.30/x
  3. Step 3: Cross multiply
    192,486,374.10x = 288,729,561.15 × 185,683,929.30
  4. Step 4: Simplify right side
    192,486,374.10x = 53,612,439,419,396,624
  5. Step 5: Solve for x
    x = 53,612,439,419,396,624/192,486,374.10
  6. Step 6: Final answer
    x = 278,525,893.95

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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.