Home / 77,772,706.60-116,659,059.90-71,222,204.20

Finding the Fourth Proportional to 77,772,706.60, 116,659,059.90 and 71,222,204.20

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Solution

The fourth proportional to 77,772,706.60, 116,659,059.90 and 71,222,204.20 is: 106,833,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,772,706.60 : 116,659,059.90 = 71,222,204.20 : x
  2. Step 2: Convert to fraction form
    77,772,706.60/116,659,059.90 = 71,222,204.20/x
  3. Step 3: Cross multiply
    77,772,706.60x = 116,659,059.90 × 71,222,204.20
  4. Step 4: Simplify right side
    77,772,706.60x = 8,308,715,385,977,832
  5. Step 5: Solve for x
    x = 8,308,715,385,977,832/77,772,706.60
  6. Step 6: Final answer
    x = 106,833,306.30

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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.