Home / 247,162,136.80-370,743,205.20-189,943,218.40

Finding the Fourth Proportional to 247,162,136.80, 370,743,205.20 and 189,943,218.40

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Solution

The fourth proportional to 247,162,136.80, 370,743,205.20 and 189,943,218.40 is: 284,914,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,162,136.80 : 370,743,205.20 = 189,943,218.40 : x
  2. Step 2: Convert to fraction form
    247,162,136.80/370,743,205.20 = 189,943,218.40/x
  3. Step 3: Cross multiply
    247,162,136.80x = 370,743,205.20 × 189,943,218.40
  4. Step 4: Simplify right side
    247,162,136.80x = 70,420,157,595,619,616
  5. Step 5: Solve for x
    x = 70,420,157,595,619,616/247,162,136.80
  6. Step 6: Final answer
    x = 284,914,827.60

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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.