Home / 65,138,556.27-97,710,976.62-21,418,346.76

Finding the Fourth Proportional to 65,138,556.27, 97,710,976.62 and 21,418,346.76

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Solution

The fourth proportional to 65,138,556.27, 97,710,976.62 and 21,418,346.76 is: 32,128,553.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,138,556.27 : 97,710,976.62 = 21,418,346.76 : x
  2. Step 2: Convert to fraction form
    65,138,556.27/97,710,976.62 = 21,418,346.76/x
  3. Step 3: Cross multiply
    65,138,556.27x = 97,710,976.62 × 21,418,346.76
  4. Step 4: Simplify right side
    65,138,556.27x = 2,092,807,579,505,413
  5. Step 5: Solve for x
    x = 2,092,807,579,505,413/65,138,556.27
  6. Step 6: Final answer
    x = 32,128,553.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.