Home / 69,569,548.92-95,984,447.88-40,190,161.80

Finding the Fourth Proportional to 69,569,548.92, 95,984,447.88 and 40,190,161.80

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Solution

The fourth proportional to 69,569,548.92, 95,984,447.88 and 40,190,161.80 is: 55,449,985.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,569,548.92 : 95,984,447.88 = 40,190,161.80 : x
  2. Step 2: Convert to fraction form
    69,569,548.92/95,984,447.88 = 40,190,161.80/x
  3. Step 3: Cross multiply
    69,569,548.92x = 95,984,447.88 × 40,190,161.80
  4. Step 4: Simplify right side
    69,569,548.92x = 3,857,630,490,580,866.50
  5. Step 5: Solve for x
    x = 3,857,630,490,580,866.50/69,569,548.92
  6. Step 6: Final answer
    x = 55,449,985.67

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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.