Home / 53,145,406,624.64-79,718,186,660.79-21,703,055,883.65

Finding the Fourth Proportional to 53,145,406,624.64, 79,718,186,660.79 and 21,703,055,883.65

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Solution

The fourth proportional to 53,145,406,624.64, 79,718,186,660.79 and 21,703,055,883.65 is: 32,554,615,157.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,145,406,624.64 : 79,718,186,660.79 = 21,703,055,883.65 : x
  2. Step 2: Convert to fraction form
    53,145,406,624.64/79,718,186,660.79 = 21,703,055,883.65/x
  3. Step 3: Cross multiply
    53,145,406,624.64x = 79,718,186,660.79 × 21,703,055,883.65
  4. Step 4: Simplify right side
    53,145,406,624.64x = 1,730,128,260,042,367,434,752
  5. Step 5: Solve for x
    x = 1,730,128,260,042,367,434,752/53,145,406,624.64
  6. Step 6: Final answer
    x = 32,554,615,157.28

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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.