Home / 72,393,944,141.22-99,917,474,579.48-47,936,216,058.54

Finding the Fourth Proportional to 72,393,944,141.22, 99,917,474,579.48 and 47,936,216,058.54

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Solution

The fourth proportional to 72,393,944,141.22, 99,917,474,579.48 and 47,936,216,058.54 is: 66,161,136,905.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,393,944,141.22 : 99,917,474,579.48 = 47,936,216,058.54 : x
  2. Step 2: Convert to fraction form
    72,393,944,141.22/99,917,474,579.48 = 47,936,216,058.54/x
  3. Step 3: Cross multiply
    72,393,944,141.22x = 99,917,474,579.48 × 47,936,216,058.54
  4. Step 4: Simplify right side
    72,393,944,141.22x = 4,789,665,649,465,391,841,280
  5. Step 5: Solve for x
    x = 4,789,665,649,465,391,841,280/72,393,944,141.22
  6. Step 6: Final answer
    x = 66,161,136,905.62

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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.