Home / 72,218,245,837.92-108,233,133,641.24-40,345,631,349.88

Finding the Fourth Proportional to 72,218,245,837.92, 108,233,133,641.24 and 40,345,631,349.88

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Solution

The fourth proportional to 72,218,245,837.92, 108,233,133,641.24 and 40,345,631,349.88 is: 60,465,801,392.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,218,245,837.92 : 108,233,133,641.24 = 40,345,631,349.88 : x
  2. Step 2: Convert to fraction form
    72,218,245,837.92/108,233,133,641.24 = 40,345,631,349.88/x
  3. Step 3: Cross multiply
    72,218,245,837.92x = 108,233,133,641.24 × 40,345,631,349.88
  4. Step 4: Simplify right side
    72,218,245,837.92x = 4,366,734,109,731,981,361,152
  5. Step 5: Solve for x
    x = 4,366,734,109,731,981,361,152/72,218,245,837.92
  6. Step 6: Final answer
    x = 60,465,801,392.25

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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.