Home / 72,393,944,149.24-99,917,474,590.54-47,936,216,066.52

Finding the Fourth Proportional to 72,393,944,149.24, 99,917,474,590.54 and 47,936,216,066.52

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Solution

The fourth proportional to 72,393,944,149.24, 99,917,474,590.54 and 47,936,216,066.52 is: 66,161,136,916.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,393,944,149.24 : 99,917,474,590.54 = 47,936,216,066.52 : x
  2. Step 2: Convert to fraction form
    72,393,944,149.24/99,917,474,590.54 = 47,936,216,066.52/x
  3. Step 3: Cross multiply
    72,393,944,149.24x = 99,917,474,590.54 × 47,936,216,066.52
  4. Step 4: Simplify right side
    72,393,944,149.24x = 4,789,665,650,793,147,006,976
  5. Step 5: Solve for x
    x = 4,789,665,650,793,147,006,976/72,393,944,149.24
  6. Step 6: Final answer
    x = 66,161,136,916.64

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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.