Home / 65,815,057.74-90,824,698.05-36,446,355.38

Finding the Fourth Proportional to 65,815,057.74, 90,824,698.05 and 36,446,355.38

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Solution

The fourth proportional to 65,815,057.74, 90,824,698.05 and 36,446,355.38 is: 50,295,925.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,815,057.74 : 90,824,698.05 = 36,446,355.38 : x
  2. Step 2: Convert to fraction form
    65,815,057.74/90,824,698.05 = 36,446,355.38/x
  3. Step 3: Cross multiply
    65,815,057.74x = 90,824,698.05 × 36,446,355.38
  4. Step 4: Simplify right side
    65,815,057.74x = 3,310,229,221,957,369.50
  5. Step 5: Solve for x
    x = 3,310,229,221,957,369.50/65,815,057.74
  6. Step 6: Final answer
    x = 50,295,925.21

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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.