Home / 87,822,668.22-121,155,538.23-53,004,228.54

Finding the Fourth Proportional to 87,822,668.22, 121,155,538.23 and 53,004,228.54

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Solution

The fourth proportional to 87,822,668.22, 121,155,538.23 and 53,004,228.54 is: 73,121,848.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,822,668.22 : 121,155,538.23 = 53,004,228.54 : x
  2. Step 2: Convert to fraction form
    87,822,668.22/121,155,538.23 = 53,004,228.54/x
  3. Step 3: Cross multiply
    87,822,668.22x = 121,155,538.23 × 53,004,228.54
  4. Step 4: Simplify right side
    87,822,668.22x = 6,421,755,837,229,627
  5. Step 5: Solve for x
    x = 6,421,755,837,229,627/87,822,668.22
  6. Step 6: Final answer
    x = 73,121,848.46

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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.