Home / 91,655,446.46-126,817,588.48-79,919,171.17

Finding the Fourth Proportional to 91,655,446.46, 126,817,588.48 and 79,919,171.17

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Solution

The fourth proportional to 91,655,446.46, 126,817,588.48 and 79,919,171.17 is: 110,578,879.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,655,446.46 : 126,817,588.48 = 79,919,171.17 : x
  2. Step 2: Convert to fraction form
    91,655,446.46/126,817,588.48 = 79,919,171.17/x
  3. Step 3: Cross multiply
    91,655,446.46x = 126,817,588.48 × 79,919,171.17
  4. Step 4: Simplify right side
    91,655,446.46x = 10,135,156,561,556,754
  5. Step 5: Solve for x
    x = 10,135,156,561,556,754/91,655,446.46
  6. Step 6: Final answer
    x = 110,578,879.42

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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.