Home / 39,157,035,258,221-54,036,876,652,017-21,359,187,177,781

Finding the Fourth Proportional to 39,157,035,258,221, 54,036,876,652,017 and 21,359,187,177,781

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Solution

The fourth proportional to 39,157,035,258,221, 54,036,876,652,017 and 21,359,187,177,781 is: 29,475,769,942,791.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,157,035,258,221 : 54,036,876,652,017 = 21,359,187,177,781 : x
  2. Step 2: Convert to fraction form
    39,157,035,258,221/54,036,876,652,017 = 21,359,187,177,781/x
  3. Step 3: Cross multiply
    39,157,035,258,221x = 54,036,876,652,017 × 21,359,187,177,781
  4. Step 4: Simplify right side
    39,157,035,258,221x = 1,154,183,762,913,095,057,055,678,464
  5. Step 5: Solve for x
    x = 1,154,183,762,913,095,057,055,678,464/39,157,035,258,221
  6. Step 6: Final answer
    x = 29,475,769,942,791.44

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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.