Home / 209,952,197.80-314,928,296.70-192,095,780.20

Finding the Fourth Proportional to 209,952,197.80, 314,928,296.70 and 192,095,780.20

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Solution

The fourth proportional to 209,952,197.80, 314,928,296.70 and 192,095,780.20 is: 288,143,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,197.80 : 314,928,296.70 = 192,095,780.20 : x
  2. Step 2: Convert to fraction form
    209,952,197.80/314,928,296.70 = 192,095,780.20/x
  3. Step 3: Cross multiply
    209,952,197.80x = 314,928,296.70 × 192,095,780.20
  4. Step 4: Simplify right side
    209,952,197.80x = 60,496,396,861,643,576
  5. Step 5: Solve for x
    x = 60,496,396,861,643,576/209,952,197.80
  6. Step 6: Final answer
    x = 288,143,670.30

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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.