Home / 208,342,849.20-312,514,273.80-197,726,017.20

Finding the Fourth Proportional to 208,342,849.20, 312,514,273.80 and 197,726,017.20

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Solution

The fourth proportional to 208,342,849.20, 312,514,273.80 and 197,726,017.20 is: 296,589,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,342,849.20 : 312,514,273.80 = 197,726,017.20 : x
  2. Step 2: Convert to fraction form
    208,342,849.20/312,514,273.80 = 197,726,017.20/x
  3. Step 3: Cross multiply
    208,342,849.20x = 312,514,273.80 × 197,726,017.20
  4. Step 4: Simplify right side
    208,342,849.20x = 61,792,202,676,624,304
  5. Step 5: Solve for x
    x = 61,792,202,676,624,304/208,342,849.20
  6. Step 6: Final answer
    x = 296,589,025.80

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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.