Home / 201,917,864.62-278,646,653.71-109,098,372.46

Finding the Fourth Proportional to 201,917,864.62, 278,646,653.71 and 109,098,372.46

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Solution

The fourth proportional to 201,917,864.62, 278,646,653.71 and 109,098,372.46 is: 150,555,754.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,917,864.62 : 278,646,653.71 = 109,098,372.46 : x
  2. Step 2: Convert to fraction form
    201,917,864.62/278,646,653.71 = 109,098,372.46/x
  3. Step 3: Cross multiply
    201,917,864.62x = 278,646,653.71 × 109,098,372.46
  4. Step 4: Simplify right side
    201,917,864.62x = 30,399,896,411,779,000
  5. Step 5: Solve for x
    x = 30,399,896,411,779,000/201,917,864.62
  6. Step 6: Final answer
    x = 150,555,754.29

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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.