Home / 69,984,006.60-104,976,009.90-65,728,979.40

Finding the Fourth Proportional to 69,984,006.60, 104,976,009.90 and 65,728,979.40

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Solution

The fourth proportional to 69,984,006.60, 104,976,009.90 and 65,728,979.40 is: 98,593,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,006.60 : 104,976,009.90 = 65,728,979.40 : x
  2. Step 2: Convert to fraction form
    69,984,006.60/104,976,009.90 = 65,728,979.40/x
  3. Step 3: Cross multiply
    69,984,006.60x = 104,976,009.90 × 65,728,979.40
  4. Step 4: Simplify right side
    69,984,006.60x = 6,899,965,992,211,296
  5. Step 5: Solve for x
    x = 6,899,965,992,211,296/69,984,006.60
  6. Step 6: Final answer
    x = 98,593,469.10

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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.