Home / 220,531,100.40-330,796,650.60-91,095,692.40

Finding the Fourth Proportional to 220,531,100.40, 330,796,650.60 and 91,095,692.40

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Solution

The fourth proportional to 220,531,100.40, 330,796,650.60 and 91,095,692.40 is: 136,643,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,531,100.40 : 330,796,650.60 = 91,095,692.40 : x
  2. Step 2: Convert to fraction form
    220,531,100.40/330,796,650.60 = 91,095,692.40/x
  3. Step 3: Cross multiply
    220,531,100.40x = 330,796,650.60 × 91,095,692.40
  4. Step 4: Simplify right side
    220,531,100.40x = 30,134,149,930,007,880
  5. Step 5: Solve for x
    x = 30,134,149,930,007,880/220,531,100.40
  6. Step 6: Final answer
    x = 136,643,538.60

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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.