Home / 70,211,542.05-96,883,438.58-40,451,925.88

Finding the Fourth Proportional to 70,211,542.05, 96,883,438.58 and 40,451,925.88

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Solution

The fourth proportional to 70,211,542.05, 96,883,438.58 and 40,451,925.88 is: 55,818,766.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,211,542.05 : 96,883,438.58 = 40,451,925.88 : x
  2. Step 2: Convert to fraction form
    70,211,542.05/96,883,438.58 = 40,451,925.88/x
  3. Step 3: Cross multiply
    70,211,542.05x = 96,883,438.58 × 40,451,925.88
  4. Step 4: Simplify right side
    70,211,542.05x = 3,919,121,676,437,692.50
  5. Step 5: Solve for x
    x = 3,919,121,676,437,692.50/70,211,542.05
  6. Step 6: Final answer
    x = 55,818,766.57

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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.