Home / 65,220,021.50-90,004,747.86-35,852,591.84

Finding the Fourth Proportional to 65,220,021.50, 90,004,747.86 and 35,852,591.84

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Solution

The fourth proportional to 65,220,021.50, 90,004,747.86 and 35,852,591.84 is: 49,477,191.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,220,021.50 : 90,004,747.86 = 35,852,591.84 : x
  2. Step 2: Convert to fraction form
    65,220,021.50/90,004,747.86 = 35,852,591.84/x
  3. Step 3: Cross multiply
    65,220,021.50x = 90,004,747.86 × 35,852,591.84
  4. Step 4: Simplify right side
    65,220,021.50x = 3,226,903,488,236,670
  5. Step 5: Solve for x
    x = 3,226,903,488,236,670/65,220,021.50
  6. Step 6: Final answer
    x = 49,477,191.42

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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.