Home / 71,670,998.57-98,914,374.79-40,735,817.96

Finding the Fourth Proportional to 71,670,998.57, 98,914,374.79 and 40,735,817.96

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Solution

The fourth proportional to 71,670,998.57, 98,914,374.79 and 40,735,817.96 is: 56,220,201.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,670,998.57 : 98,914,374.79 = 40,735,817.96 : x
  2. Step 2: Convert to fraction form
    71,670,998.57/98,914,374.79 = 40,735,817.96/x
  3. Step 3: Cross multiply
    71,670,998.57x = 98,914,374.79 × 40,735,817.96
  4. Step 4: Simplify right side
    71,670,998.57x = 4,029,357,964,476,241.50
  5. Step 5: Solve for x
    x = 4,029,357,964,476,241.50/71,670,998.57
  6. Step 6: Final answer
    x = 56,220,201.27

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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.