Home / 206,740,489.56-285,301,902.69-112,654,652.28

Finding the Fourth Proportional to 206,740,489.56, 285,301,902.69 and 112,654,652.28

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Solution

The fourth proportional to 206,740,489.56, 285,301,902.69 and 112,654,652.28 is: 155,463,434.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,740,489.56 : 285,301,902.69 = 112,654,652.28 : x
  2. Step 2: Convert to fraction form
    206,740,489.56/285,301,902.69 = 112,654,652.28/x
  3. Step 3: Cross multiply
    206,740,489.56x = 285,301,902.69 × 112,654,652.28
  4. Step 4: Simplify right side
    206,740,489.56x = 32,140,586,642,364,348
  5. Step 5: Solve for x
    x = 32,140,586,642,364,348/206,740,489.56
  6. Step 6: Final answer
    x = 155,463,434.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.