Home / 220,054,683.20-330,082,024.80-66,680,810.60

Finding the Fourth Proportional to 220,054,683.20, 330,082,024.80 and 66,680,810.60

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Solution

The fourth proportional to 220,054,683.20, 330,082,024.80 and 66,680,810.60 is: 100,021,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,054,683.20 : 330,082,024.80 = 66,680,810.60 : x
  2. Step 2: Convert to fraction form
    220,054,683.20/330,082,024.80 = 66,680,810.60/x
  3. Step 3: Cross multiply
    220,054,683.20x = 330,082,024.80 × 66,680,810.60
  4. Step 4: Simplify right side
    220,054,683.20x = 22,010,136,978,153,304
  5. Step 5: Solve for x
    x = 22,010,136,978,153,304/220,054,683.20
  6. Step 6: Final answer
    x = 100,021,215.90

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1.5x scale

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.