Home / 100,502,771.13-150,883,263.27-77,488,324.52

Finding the Fourth Proportional to 100,502,771.13, 150,883,263.27 and 77,488,324.52

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Solution

The fourth proportional to 100,502,771.13, 150,883,263.27 and 77,488,324.52 is: 116,332,028.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,502,771.13 : 150,883,263.27 = 77,488,324.52 : x
  2. Step 2: Convert to fraction form
    100,502,771.13/150,883,263.27 = 77,488,324.52/x
  3. Step 3: Cross multiply
    100,502,771.13x = 150,883,263.27 × 77,488,324.52
  4. Step 4: Simplify right side
    100,502,771.13x = 11,691,691,268,147,940
  5. Step 5: Solve for x
    x = 11,691,691,268,147,940/100,502,771.13
  6. Step 6: Final answer
    x = 116,332,028.83

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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.