Home / 84,788,465.96-117,033,456.84-49,515,785.69

Finding the Fourth Proportional to 84,788,465.96, 117,033,456.84 and 49,515,785.69

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Solution

The fourth proportional to 84,788,465.96, 117,033,456.84 and 49,515,785.69 is: 68,346,602.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,788,465.96 : 117,033,456.84 = 49,515,785.69 : x
  2. Step 2: Convert to fraction form
    84,788,465.96/117,033,456.84 = 49,515,785.69/x
  3. Step 3: Cross multiply
    84,788,465.96x = 117,033,456.84 × 49,515,785.69
  4. Step 4: Simplify right side
    84,788,465.96x = 5,795,003,567,741,889
  5. Step 5: Solve for x
    x = 5,795,003,567,741,889/84,788,465.96
  6. Step 6: Final answer
    x = 68,346,602.36

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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.