Home / 86,347,799.64-119,159,975.88-49,181,542.56

Finding the Fourth Proportional to 86,347,799.64, 119,159,975.88 and 49,181,542.56

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Solution

The fourth proportional to 86,347,799.64, 119,159,975.88 and 49,181,542.56 is: 67,870,535.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,347,799.64 : 119,159,975.88 = 49,181,542.56 : x
  2. Step 2: Convert to fraction form
    86,347,799.64/119,159,975.88 = 49,181,542.56/x
  3. Step 3: Cross multiply
    86,347,799.64x = 119,159,975.88 × 49,181,542.56
  4. Step 4: Simplify right side
    86,347,799.64x = 5,860,471,425,190,794
  5. Step 5: Solve for x
    x = 5,860,471,425,190,794/86,347,799.64
  6. Step 6: Final answer
    x = 67,870,535.78

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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.