Home / 72,218,245,886.62-108,233,133,714.20-40,345,631,398.61

Finding the Fourth Proportional to 72,218,245,886.62, 108,233,133,714.20 and 40,345,631,398.61

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Solution

The fourth proportional to 72,218,245,886.62, 108,233,133,714.20 and 40,345,631,398.61 is: 60,465,801,465.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,218,245,886.62 : 108,233,133,714.20 = 40,345,631,398.61 : x
  2. Step 2: Convert to fraction form
    72,218,245,886.62/108,233,133,714.20 = 40,345,631,398.61/x
  3. Step 3: Cross multiply
    72,218,245,886.62x = 108,233,133,714.20 × 40,345,631,398.61
  4. Step 4: Simplify right side
    72,218,245,886.62x = 4,366,734,117,949,581,819,904
  5. Step 5: Solve for x
    x = 4,366,734,117,949,581,819,904/72,218,245,886.62
  6. Step 6: Final answer
    x = 60,465,801,465.26

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1.5x scale

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.