Home / 115,912,761.60-173,869,142.40-52,211,769.60

Finding the Fourth Proportional to 115,912,761.60, 173,869,142.40 and 52,211,769.60

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Solution

The fourth proportional to 115,912,761.60, 173,869,142.40 and 52,211,769.60 is: 78,317,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,912,761.60 : 173,869,142.40 = 52,211,769.60 : x
  2. Step 2: Convert to fraction form
    115,912,761.60/173,869,142.40 = 52,211,769.60/x
  3. Step 3: Cross multiply
    115,912,761.60x = 173,869,142.40 × 52,211,769.60
  4. Step 4: Simplify right side
    115,912,761.60x = 9,078,015,603,538,392
  5. Step 5: Solve for x
    x = 9,078,015,603,538,392/115,912,761.60
  6. Step 6: Final answer
    x = 78,317,654.40

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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.