Home / 220,167,085.80-330,250,628.70-66,812,896.20

Finding the Fourth Proportional to 220,167,085.80, 330,250,628.70 and 66,812,896.20

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Solution

The fourth proportional to 220,167,085.80, 330,250,628.70 and 66,812,896.20 is: 100,219,344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,167,085.80 : 330,250,628.70 = 66,812,896.20 : x
  2. Step 2: Convert to fraction form
    220,167,085.80/330,250,628.70 = 66,812,896.20/x
  3. Step 3: Cross multiply
    220,167,085.80x = 330,250,628.70 × 66,812,896.20
  4. Step 4: Simplify right side
    220,167,085.80x = 22,065,000,975,317,840
  5. Step 5: Solve for x
    x = 22,065,000,975,317,840/220,167,085.80
  6. Step 6: Final answer
    x = 100,219,344.30

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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.