Home / 81,794,016.60-122,630,007.60-49,439,101.20

Finding the Fourth Proportional to 81,794,016.60, 122,630,007.60 and 49,439,101.20

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Solution

The fourth proportional to 81,794,016.60, 122,630,007.60 and 49,439,101.20 is: 74,121,770.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,794,016.60 : 122,630,007.60 = 49,439,101.20 : x
  2. Step 2: Convert to fraction form
    81,794,016.60/122,630,007.60 = 49,439,101.20/x
  3. Step 3: Cross multiply
    81,794,016.60x = 122,630,007.60 × 49,439,101.20
  4. Step 4: Simplify right side
    81,794,016.60x = 6,062,717,355,893,169
  5. Step 5: Solve for x
    x = 6,062,717,355,893,169/81,794,016.60
  6. Step 6: Final answer
    x = 74,121,770.86

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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.