Home / 37,013,979,964.36-51,079,292,350.89-21,172,786,636.36

Finding the Fourth Proportional to 37,013,979,964.36, 51,079,292,350.89 and 21,172,786,636.36

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Solution

The fourth proportional to 37,013,979,964.36, 51,079,292,350.89 and 21,172,786,636.36 is: 29,218,445,558.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,013,979,964.36 : 51,079,292,350.89 = 21,172,786,636.36 : x
  2. Step 2: Convert to fraction form
    37,013,979,964.36/51,079,292,350.89 = 21,172,786,636.36/x
  3. Step 3: Cross multiply
    37,013,979,964.36x = 51,079,292,350.89 × 21,172,786,636.36
  4. Step 4: Simplify right side
    37,013,979,964.36x = 1,081,490,958,481,733,976,064
  5. Step 5: Solve for x
    x = 1,081,490,958,481,733,976,064/37,013,979,964.36
  6. Step 6: Final answer
    x = 29,218,445,558.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.