Home / 77,653,584.86-107,164,189.43-42,848,517.26

Finding the Fourth Proportional to 77,653,584.86, 107,164,189.43 and 42,848,517.26

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Solution

The fourth proportional to 77,653,584.86, 107,164,189.43 and 42,848,517.26 is: 59,132,191.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,653,584.86 : 107,164,189.43 = 42,848,517.26 : x
  2. Step 2: Convert to fraction form
    77,653,584.86/107,164,189.43 = 42,848,517.26/x
  3. Step 3: Cross multiply
    77,653,584.86x = 107,164,189.43 × 42,848,517.26
  4. Step 4: Simplify right side
    77,653,584.86x = 4,591,826,619,695,201
  5. Step 5: Solve for x
    x = 4,591,826,619,695,201/77,653,584.86
  6. Step 6: Final answer
    x = 59,132,191.11

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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.