Home / 72,393,944,138.22-99,917,474,575.33-47,936,216,055.54

Finding the Fourth Proportional to 72,393,944,138.22, 99,917,474,575.33 and 47,936,216,055.54

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Solution

The fourth proportional to 72,393,944,138.22, 99,917,474,575.33 and 47,936,216,055.54 is: 66,161,136,901.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,393,944,138.22 : 99,917,474,575.33 = 47,936,216,055.54 : x
  2. Step 2: Convert to fraction form
    72,393,944,138.22/99,917,474,575.33 = 47,936,216,055.54/x
  3. Step 3: Cross multiply
    72,393,944,138.22x = 99,917,474,575.33 × 47,936,216,055.54
  4. Step 4: Simplify right side
    72,393,944,138.22x = 4,789,665,648,967,039,320,064
  5. Step 5: Solve for x
    x = 4,789,665,648,967,039,320,064/72,393,944,138.22
  6. Step 6: Final answer
    x = 66,161,136,901.48

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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.