Home / 73,868,125.80-110,802,188.70-67,915,986.60

Finding the Fourth Proportional to 73,868,125.80, 110,802,188.70 and 67,915,986.60

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Solution

The fourth proportional to 73,868,125.80, 110,802,188.70 and 67,915,986.60 is: 101,873,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,868,125.80 : 110,802,188.70 = 67,915,986.60 : x
  2. Step 2: Convert to fraction form
    73,868,125.80/110,802,188.70 = 67,915,986.60/x
  3. Step 3: Cross multiply
    73,868,125.80x = 110,802,188.70 × 67,915,986.60
  4. Step 4: Simplify right side
    73,868,125.80x = 7,525,239,962,999,871
  5. Step 5: Solve for x
    x = 7,525,239,962,999,871/73,868,125.80
  6. Step 6: Final answer
    x = 101,873,979.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.