Home / 65,835,350.44-90,818,338.05-40,709,426.85

Finding the Fourth Proportional to 65,835,350.44, 90,818,338.05 and 40,709,426.85

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Solution

The fourth proportional to 65,835,350.44, 90,818,338.05 and 40,709,426.85 is: 56,157,709.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,835,350.44 : 90,818,338.05 = 40,709,426.85 : x
  2. Step 2: Convert to fraction form
    65,835,350.44/90,818,338.05 = 40,709,426.85/x
  3. Step 3: Cross multiply
    65,835,350.44x = 90,818,338.05 × 40,709,426.85
  4. Step 4: Simplify right side
    65,835,350.44x = 3,697,162,489,485,046.50
  5. Step 5: Solve for x
    x = 3,697,162,489,485,046.50/65,835,350.44
  6. Step 6: Final answer
    x = 56,157,709.57

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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.