Home / 69,012,055.40-103,478,717.10-25,882,665.80

Finding the Fourth Proportional to 69,012,055.40, 103,478,717.10 and 25,882,665.80

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Solution

The fourth proportional to 69,012,055.40, 103,478,717.10 and 25,882,665.80 is: 38,809,234.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,012,055.40 : 103,478,717.10 = 25,882,665.80 : x
  2. Step 2: Convert to fraction form
    69,012,055.40/103,478,717.10 = 25,882,665.80/x
  3. Step 3: Cross multiply
    69,012,055.40x = 103,478,717.10 × 25,882,665.80
  4. Step 4: Simplify right side
    69,012,055.40x = 2,678,305,052,112,045
  5. Step 5: Solve for x
    x = 2,678,305,052,112,045/69,012,055.40
  6. Step 6: Final answer
    x = 38,809,234.66

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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.