Home / 206,277,362.92-309,451,295.58-85,042,541.80

Finding the Fourth Proportional to 206,277,362.92, 309,451,295.58 and 85,042,541.80

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Solution

The fourth proportional to 206,277,362.92, 309,451,295.58 and 85,042,541.80 is: 127,578,345.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,277,362.92 : 309,451,295.58 = 85,042,541.80 : x
  2. Step 2: Convert to fraction form
    206,277,362.92/309,451,295.58 = 85,042,541.80/x
  3. Step 3: Cross multiply
    206,277,362.92x = 309,451,295.58 × 85,042,541.80
  4. Step 4: Simplify right side
    206,277,362.92x = 26,316,524,739,426,304
  5. Step 5: Solve for x
    x = 26,316,524,739,426,304/206,277,362.92
  6. Step 6: Final answer
    x = 127,578,345.81

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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.