Home / 159,946,786,791.59-220,726,512,496.30-87,687,300,187.94

Finding the Fourth Proportional to 159,946,786,791.59, 220,726,512,496.30 and 87,687,300,187.94

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Solution

The fourth proportional to 159,946,786,791.59, 220,726,512,496.30 and 87,687,300,187.94 is: 121,008,445,051.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,946,786,791.59 : 220,726,512,496.30 = 87,687,300,187.94 : x
  2. Step 2: Convert to fraction form
    159,946,786,791.59/220,726,512,496.30 = 87,687,300,187.94/x
  3. Step 3: Cross multiply
    159,946,786,791.59x = 220,726,512,496.30 × 87,687,300,187.94
  4. Step 4: Simplify right side
    159,946,786,791.59x = 19,354,911,960,700,146,417,664
  5. Step 5: Solve for x
    x = 19,354,911,960,700,146,417,664/159,946,786,791.59
  6. Step 6: Final answer
    x = 121,008,445,051.91

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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.