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Finding the Fourth Proportional to 220,064,582.40, 330,096,873.60 and 155,494,500.90

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Solution

The fourth proportional to 220,064,582.40, 330,096,873.60 and 155,494,500.90 is: 233,241,751.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,064,582.40 : 330,096,873.60 = 155,494,500.90 : x
  2. Step 2: Convert to fraction form
    220,064,582.40/330,096,873.60 = 155,494,500.90/x
  3. Step 3: Cross multiply
    220,064,582.40x = 330,096,873.60 × 155,494,500.90
  4. Step 4: Simplify right side
    220,064,582.40x = 51,328,248,609,082,392
  5. Step 5: Solve for x
    x = 51,328,248,609,082,392/220,064,582.40
  6. Step 6: Final answer
    x = 233,241,751.35

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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.