Home / 75,570,469.78-104,319,427.08-50,805,019.68

Finding the Fourth Proportional to 75,570,469.78, 104,319,427.08 and 50,805,019.68

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Solution

The fourth proportional to 75,570,469.78, 104,319,427.08 and 50,805,019.68 is: 70,132,560.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,570,469.78 : 104,319,427.08 = 50,805,019.68 : x
  2. Step 2: Convert to fraction form
    75,570,469.78/104,319,427.08 = 50,805,019.68/x
  3. Step 3: Cross multiply
    75,570,469.78x = 104,319,427.08 × 50,805,019.68
  4. Step 4: Simplify right side
    75,570,469.78x = 5,299,950,545,805,725
  5. Step 5: Solve for x
    x = 5,299,950,545,805,725/75,570,469.78
  6. Step 6: Final answer
    x = 70,132,560.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.