Home / 52,626,932.20-78,945,811.74-19,865,096.92

Finding the Fourth Proportional to 52,626,932.20, 78,945,811.74 and 19,865,096.92

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Solution

The fourth proportional to 52,626,932.20, 78,945,811.74 and 19,865,096.92 is: 29,799,688.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,626,932.20 : 78,945,811.74 = 19,865,096.92 : x
  2. Step 2: Convert to fraction form
    52,626,932.20/78,945,811.74 = 19,865,096.92/x
  3. Step 3: Cross multiply
    52,626,932.20x = 78,945,811.74 × 19,865,096.92
  4. Step 4: Simplify right side
    52,626,932.20x = 1,568,266,201,643,174
  5. Step 5: Solve for x
    x = 1,568,266,201,643,174/52,626,932.20
  6. Step 6: Final answer
    x = 29,799,688.79

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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.