Home / 220,148,136.30-330,222,204.45-56,385,576.30

Finding the Fourth Proportional to 220,148,136.30, 330,222,204.45 and 56,385,576.30

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Solution

The fourth proportional to 220,148,136.30, 330,222,204.45 and 56,385,576.30 is: 84,578,364.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,148,136.30 : 330,222,204.45 = 56,385,576.30 : x
  2. Step 2: Convert to fraction form
    220,148,136.30/330,222,204.45 = 56,385,576.30/x
  3. Step 3: Cross multiply
    220,148,136.30x = 330,222,204.45 × 56,385,576.30
  4. Step 4: Simplify right side
    220,148,136.30x = 18,619,769,304,969,672
  5. Step 5: Solve for x
    x = 18,619,769,304,969,672/220,148,136.30
  6. Step 6: Final answer
    x = 84,578,364.45

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Double scale
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Similar ratio
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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.