Home / 113,412,856.40-170,007,310.20-55,858,014.80

Finding the Fourth Proportional to 113,412,856.40, 170,007,310.20 and 55,858,014.80

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Solution

The fourth proportional to 113,412,856.40, 170,007,310.20 and 55,858,014.80 is: 83,731,872.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,412,856.40 : 170,007,310.20 = 55,858,014.80 : x
  2. Step 2: Convert to fraction form
    113,412,856.40/170,007,310.20 = 55,858,014.80/x
  3. Step 3: Cross multiply
    113,412,856.40x = 170,007,310.20 × 55,858,014.80
  4. Step 4: Simplify right side
    113,412,856.40x = 9,496,270,849,259,790
  5. Step 5: Solve for x
    x = 9,496,270,849,259,790/113,412,856.40
  6. Step 6: Final answer
    x = 83,731,872.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.