Home / 69,891,054.92-104,836,582.48-21,368,908.88

Finding the Fourth Proportional to 69,891,054.92, 104,836,582.48 and 21,368,908.88

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Solution

The fourth proportional to 69,891,054.92, 104,836,582.48 and 21,368,908.88 is: 32,053,363.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,891,054.92 : 104,836,582.48 = 21,368,908.88 : x
  2. Step 2: Convert to fraction form
    69,891,054.92/104,836,582.48 = 21,368,908.88/x
  3. Step 3: Cross multiply
    69,891,054.92x = 104,836,582.48 × 21,368,908.88
  4. Step 4: Simplify right side
    69,891,054.92x = 2,240,243,378,305,724.50
  5. Step 5: Solve for x
    x = 2,240,243,378,305,724.50/69,891,054.92
  6. Step 6: Final answer
    x = 32,053,363.35

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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.