Home / 75,570,470.78-104,319,428.46-50,805,020.70

Finding the Fourth Proportional to 75,570,470.78, 104,319,428.46 and 50,805,020.70

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Solution

The fourth proportional to 75,570,470.78, 104,319,428.46 and 50,805,020.70 is: 70,132,561.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,570,470.78 : 104,319,428.46 = 50,805,020.70 : x
  2. Step 2: Convert to fraction form
    75,570,470.78/104,319,428.46 = 50,805,020.70/x
  3. Step 3: Cross multiply
    75,570,470.78x = 104,319,428.46 × 50,805,020.70
  4. Step 4: Simplify right side
    75,570,470.78x = 5,299,950,722,322,469
  5. Step 5: Solve for x
    x = 5,299,950,722,322,469/75,570,470.78
  6. Step 6: Final answer
    x = 70,132,561.93

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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.