Home / 69,735,465.88-104,618,331.06-21,212,058.55

Finding the Fourth Proportional to 69,735,465.88, 104,618,331.06 and 21,212,058.55

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Solution

The fourth proportional to 69,735,465.88, 104,618,331.06 and 21,212,058.55 is: 31,822,690.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,735,465.88 : 104,618,331.06 = 21,212,058.55 : x
  2. Step 2: Convert to fraction form
    69,735,465.88/104,618,331.06 = 21,212,058.55/x
  3. Step 3: Cross multiply
    69,735,465.88x = 104,618,331.06 × 21,212,058.55
  4. Step 4: Simplify right side
    69,735,465.88x = 2,219,170,163,848,003.75
  5. Step 5: Solve for x
    x = 2,219,170,163,848,003.75/69,735,465.88
  6. Step 6: Final answer
    x = 31,822,690.73

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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.