Home / 69,704,906.60-104,557,359.90-66,569,623.40

Finding the Fourth Proportional to 69,704,906.60, 104,557,359.90 and 66,569,623.40

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Solution

The fourth proportional to 69,704,906.60, 104,557,359.90 and 66,569,623.40 is: 99,854,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,704,906.60 : 104,557,359.90 = 66,569,623.40 : x
  2. Step 2: Convert to fraction form
    69,704,906.60/104,557,359.90 = 66,569,623.40/x
  3. Step 3: Cross multiply
    69,704,906.60x = 104,557,359.90 × 66,569,623.40
  4. Step 4: Simplify right side
    69,704,906.60x = 6,960,344,072,241,262
  5. Step 5: Solve for x
    x = 6,960,344,072,241,262/69,704,906.60
  6. Step 6: Final answer
    x = 99,854,435.10

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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.