Home / 39,157,035,258,222-54,036,876,652,018-21,359,187,177,782

Finding the Fourth Proportional to 39,157,035,258,222, 54,036,876,652,018 and 21,359,187,177,782

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Solution

The fourth proportional to 39,157,035,258,222, 54,036,876,652,018 and 21,359,187,177,782 is: 29,475,769,942,792.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,157,035,258,222 : 54,036,876,652,018 = 21,359,187,177,782 : x
  2. Step 2: Convert to fraction form
    39,157,035,258,222/54,036,876,652,018 = 21,359,187,177,782/x
  3. Step 3: Cross multiply
    39,157,035,258,222x = 54,036,876,652,018 × 21,359,187,177,782
  4. Step 4: Simplify right side
    39,157,035,258,222x = 1,154,183,762,913,170,373,602,181,120
  5. Step 5: Solve for x
    x = 1,154,183,762,913,170,373,602,181,120/39,157,035,258,222
  6. Step 6: Final answer
    x = 29,475,769,942,792.61

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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.