Home / 81,653,007.60-122,479,511.40-73,338,908.40

Finding the Fourth Proportional to 81,653,007.60, 122,479,511.40 and 73,338,908.40

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Solution

The fourth proportional to 81,653,007.60, 122,479,511.40 and 73,338,908.40 is: 110,008,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,653,007.60 : 122,479,511.40 = 73,338,908.40 : x
  2. Step 2: Convert to fraction form
    81,653,007.60/122,479,511.40 = 73,338,908.40/x
  3. Step 3: Cross multiply
    81,653,007.60x = 122,479,511.40 × 73,338,908.40
  4. Step 4: Simplify right side
    81,653,007.60x = 8,982,513,667,441,357
  5. Step 5: Solve for x
    x = 8,982,513,667,441,357/81,653,007.60
  6. Step 6: Final answer
    x = 110,008,362.60

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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.