Home / 71,381,263.82-98,505,801.14-40,441,366.58

Finding the Fourth Proportional to 71,381,263.82, 98,505,801.14 and 40,441,366.58

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Solution

The fourth proportional to 71,381,263.82, 98,505,801.14 and 40,441,366.58 is: 55,808,891.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,381,263.82 : 98,505,801.14 = 40,441,366.58 : x
  2. Step 2: Convert to fraction form
    71,381,263.82/98,505,801.14 = 40,441,366.58/x
  3. Step 3: Cross multiply
    71,381,263.82x = 98,505,801.14 × 40,441,366.58
  4. Step 4: Simplify right side
    71,381,263.82x = 3,983,709,214,159,321.50
  5. Step 5: Solve for x
    x = 3,983,709,214,159,321.50/71,381,263.82
  6. Step 6: Final answer
    x = 55,808,891.59

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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.