Home / 60,351,120.60-90,475,505.10-21,990,265.80

Finding the Fourth Proportional to 60,351,120.60, 90,475,505.10 and 21,990,265.80

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Solution

The fourth proportional to 60,351,120.60, 90,475,505.10 and 21,990,265.80 is: 32,966,751.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,351,120.60 : 90,475,505.10 = 21,990,265.80 : x
  2. Step 2: Convert to fraction form
    60,351,120.60/90,475,505.10 = 21,990,265.80/x
  3. Step 3: Cross multiply
    60,351,120.60x = 90,475,505.10 × 21,990,265.80
  4. Step 4: Simplify right side
    60,351,120.60x = 1,989,580,405,538,255.50
  5. Step 5: Solve for x
    x = 1,989,580,405,538,255.50/60,351,120.60
  6. Step 6: Final answer
    x = 32,966,751.67

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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.