Home / 249,326,960.80-373,990,441.20-206,859,632.80

Finding the Fourth Proportional to 249,326,960.80, 373,990,441.20 and 206,859,632.80

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Solution

The fourth proportional to 249,326,960.80, 373,990,441.20 and 206,859,632.80 is: 310,289,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,326,960.80 : 373,990,441.20 = 206,859,632.80 : x
  2. Step 2: Convert to fraction form
    249,326,960.80/373,990,441.20 = 206,859,632.80/x
  3. Step 3: Cross multiply
    249,326,960.80x = 373,990,441.20 × 206,859,632.80
  4. Step 4: Simplify right side
    249,326,960.80x = 77,363,525,337,342,000
  5. Step 5: Solve for x
    x = 77,363,525,337,342,000/249,326,960.80
  6. Step 6: Final answer
    x = 310,289,449.20

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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.