Home / 143,971,247.61-198,817,538.73-136,127,785.86

Finding the Fourth Proportional to 143,971,247.61, 198,817,538.73 and 136,127,785.86

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Solution

The fourth proportional to 143,971,247.61, 198,817,538.73 and 136,127,785.86 is: 187,986,086.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,971,247.61 : 198,817,538.73 = 136,127,785.86 : x
  2. Step 2: Convert to fraction form
    143,971,247.61/198,817,538.73 = 136,127,785.86/x
  3. Step 3: Cross multiply
    143,971,247.61x = 198,817,538.73 × 136,127,785.86
  4. Step 4: Simplify right side
    143,971,247.61x = 27,064,591,337,897,556
  5. Step 5: Solve for x
    x = 27,064,591,337,897,556/143,971,247.61
  6. Step 6: Final answer
    x = 187,986,086.02

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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.