Home / 72,393,944,140.22-99,917,474,578.09-47,936,216,057.54

Finding the Fourth Proportional to 72,393,944,140.22, 99,917,474,578.09 and 47,936,216,057.54

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Solution

The fourth proportional to 72,393,944,140.22, 99,917,474,578.09 and 47,936,216,057.54 is: 66,161,136,904.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,393,944,140.22 : 99,917,474,578.09 = 47,936,216,057.54 : x
  2. Step 2: Convert to fraction form
    72,393,944,140.22/99,917,474,578.09 = 47,936,216,057.54/x
  3. Step 3: Cross multiply
    72,393,944,140.22x = 99,917,474,578.09 × 47,936,216,057.54
  4. Step 4: Simplify right side
    72,393,944,140.22x = 4,789,665,649,299,082,444,800
  5. Step 5: Solve for x
    x = 4,789,665,649,299,082,444,800/72,393,944,140.22
  6. Step 6: Final answer
    x = 66,161,136,904.24

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Double scale
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1.5x scale

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.