Home / 143,971,248.62-198,817,540.12-136,127,786.86

Finding the Fourth Proportional to 143,971,248.62, 198,817,540.12 and 136,127,786.86

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Solution

The fourth proportional to 143,971,248.62, 198,817,540.12 and 136,127,786.86 is: 187,986,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,971,248.62 : 198,817,540.12 = 136,127,786.86 : x
  2. Step 2: Convert to fraction form
    143,971,248.62/198,817,540.12 = 136,127,786.86/x
  3. Step 3: Cross multiply
    143,971,248.62x = 198,817,540.12 × 136,127,786.86
  4. Step 4: Simplify right side
    143,971,248.62x = 27,064,591,724,804,224
  5. Step 5: Solve for x
    x = 27,064,591,724,804,224/143,971,248.62
  6. Step 6: Final answer
    x = 187,986,087.40

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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.