Home / 71,670,998.69-98,914,374.96-40,735,818.08

Finding the Fourth Proportional to 71,670,998.69, 98,914,374.96 and 40,735,818.08

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Solution

The fourth proportional to 71,670,998.69, 98,914,374.96 and 40,735,818.08 is: 56,220,201.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,670,998.69 : 98,914,374.96 = 40,735,818.08 : x
  2. Step 2: Convert to fraction form
    71,670,998.69/98,914,374.96 = 40,735,818.08/x
  3. Step 3: Cross multiply
    71,670,998.69x = 98,914,374.96 × 40,735,818.08
  4. Step 4: Simplify right side
    71,670,998.69x = 4,029,357,983,867,467
  5. Step 5: Solve for x
    x = 4,029,357,983,867,467/71,670,998.69
  6. Step 6: Final answer
    x = 56,220,201.44

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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.