Home / 213,555,954.87-320,301,566-58,121,875.20

Finding the Fourth Proportional to 213,555,954.87, 320,301,566 and 58,121,875.20

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Solution

The fourth proportional to 213,555,954.87, 320,301,566 and 58,121,875.20 is: 87,174,003.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,555,954.87 : 320,301,566 = 58,121,875.20 : x
  2. Step 2: Convert to fraction form
    213,555,954.87/320,301,566 = 58,121,875.20/x
  3. Step 3: Cross multiply
    213,555,954.87x = 320,301,566 × 58,121,875.20
  4. Step 4: Simplify right side
    213,555,954.87x = 18,616,527,645,416,564
  5. Step 5: Solve for x
    x = 18,616,527,645,416,564/213,555,954.87
  6. Step 6: Final answer
    x = 87,174,003.91

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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.