Home / 87,822,670.22-121,155,540.98-53,004,230.54

Finding the Fourth Proportional to 87,822,670.22, 121,155,540.98 and 53,004,230.54

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Solution

The fourth proportional to 87,822,670.22, 121,155,540.98 and 53,004,230.54 is: 73,121,851.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,822,670.22 : 121,155,540.98 = 53,004,230.54 : x
  2. Step 2: Convert to fraction form
    87,822,670.22/121,155,540.98 = 53,004,230.54/x
  3. Step 3: Cross multiply
    87,822,670.22x = 121,155,540.98 × 53,004,230.54
  4. Step 4: Simplify right side
    87,822,670.22x = 6,421,756,225,302,338
  5. Step 5: Solve for x
    x = 6,421,756,225,302,338/87,822,670.22
  6. Step 6: Final answer
    x = 73,121,851.22

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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.