Home / 69,011,999.90-103,478,633.85-25,882,610.30

Finding the Fourth Proportional to 69,011,999.90, 103,478,633.85 and 25,882,610.30

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Solution

The fourth proportional to 69,011,999.90, 103,478,633.85 and 25,882,610.30 is: 38,809,151.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,011,999.90 : 103,478,633.85 = 25,882,610.30 : x
  2. Step 2: Convert to fraction form
    69,011,999.90/103,478,633.85 = 25,882,610.30/x
  3. Step 3: Cross multiply
    69,011,999.90x = 103,478,633.85 × 25,882,610.30
  4. Step 4: Simplify right side
    69,011,999.90x = 2,678,297,154,315,938.50
  5. Step 5: Solve for x
    x = 2,678,297,154,315,938.50/69,011,999.90
  6. Step 6: Final answer
    x = 38,809,151.43

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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.