Home / 69,773,416.71-104,663,010.78-20,589,270.48

Finding the Fourth Proportional to 69,773,416.71, 104,663,010.78 and 20,589,270.48

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Solution

The fourth proportional to 69,773,416.71, 104,663,010.78 and 20,589,270.48 is: 30,884,757.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,773,416.71 : 104,663,010.78 = 20,589,270.48 : x
  2. Step 2: Convert to fraction form
    69,773,416.71/104,663,010.78 = 20,589,270.48/x
  3. Step 3: Cross multiply
    69,773,416.71x = 104,663,010.78 × 20,589,270.48
  4. Step 4: Simplify right side
    69,773,416.71x = 2,154,935,038,200,575.75
  5. Step 5: Solve for x
    x = 2,154,935,038,200,575.75/69,773,416.71
  6. Step 6: Final answer
    x = 30,884,757.26

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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.