Home / 206,248,795.73-309,509,489.60-97,105,179.73

Finding the Fourth Proportional to 206,248,795.73, 309,509,489.60 and 97,105,179.73

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Solution

The fourth proportional to 206,248,795.73, 309,509,489.60 and 97,105,179.73 is: 145,721,939.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,248,795.73 : 309,509,489.60 = 97,105,179.73 : x
  2. Step 2: Convert to fraction form
    206,248,795.73/309,509,489.60 = 97,105,179.73/x
  3. Step 3: Cross multiply
    206,248,795.73x = 309,509,489.60 × 97,105,179.73
  4. Step 4: Simplify right side
    206,248,795.73x = 30,054,974,615,298,768
  5. Step 5: Solve for x
    x = 30,054,974,615,298,768/206,248,795.73
  6. Step 6: Final answer
    x = 145,721,939.90

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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.