Home / 69,773,425.78-104,663,024.42-20,589,279.42

Finding the Fourth Proportional to 69,773,425.78, 104,663,024.42 and 20,589,279.42

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Solution

The fourth proportional to 69,773,425.78, 104,663,024.42 and 20,589,279.42 is: 30,884,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,773,425.78 : 104,663,024.42 = 20,589,279.42 : x
  2. Step 2: Convert to fraction form
    69,773,425.78/104,663,024.42 = 20,589,279.42/x
  3. Step 3: Cross multiply
    69,773,425.78x = 104,663,024.42 × 20,589,279.42
  4. Step 4: Simplify right side
    69,773,425.78x = 2,154,936,254,725,663.75
  5. Step 5: Solve for x
    x = 2,154,936,254,725,663.75/69,773,425.78
  6. Step 6: Final answer
    x = 30,884,770.68

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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.