Home / 275,915,715.54-413,875,067.76-81,828,812.34

Finding the Fourth Proportional to 275,915,715.54, 413,875,067.76 and 81,828,812.34

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Solution

The fourth proportional to 275,915,715.54, 413,875,067.76 and 81,828,812.34 is: 122,743,661.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,915,715.54 : 413,875,067.76 = 81,828,812.34 : x
  2. Step 2: Convert to fraction form
    275,915,715.54/413,875,067.76 = 81,828,812.34/x
  3. Step 3: Cross multiply
    275,915,715.54x = 413,875,067.76 × 81,828,812.34
  4. Step 4: Simplify right side
    275,915,715.54x = 33,866,905,251,937,824
  5. Step 5: Solve for x
    x = 33,866,905,251,937,824/275,915,715.54
  6. Step 6: Final answer
    x = 122,743,661.72

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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.