Home / 235,169,081.78-352,730,828.73-71,408,277.81

Finding the Fourth Proportional to 235,169,081.78, 352,730,828.73 and 71,408,277.81

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Solution

The fourth proportional to 235,169,081.78, 352,730,828.73 and 71,408,277.81 is: 107,105,495.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,169,081.78 : 352,730,828.73 = 71,408,277.81 : x
  2. Step 2: Convert to fraction form
    235,169,081.78/352,730,828.73 = 71,408,277.81/x
  3. Step 3: Cross multiply
    235,169,081.78x = 352,730,828.73 × 71,408,277.81
  4. Step 4: Simplify right side
    235,169,081.78x = 25,187,901,008,339,720
  5. Step 5: Solve for x
    x = 25,187,901,008,339,720/235,169,081.78
  6. Step 6: Final answer
    x = 107,105,495.41

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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.