Home / 215,234,119.20-322,851,178.80-149,477,152.80

Finding the Fourth Proportional to 215,234,119.20, 322,851,178.80 and 149,477,152.80

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Solution

The fourth proportional to 215,234,119.20, 322,851,178.80 and 149,477,152.80 is: 224,215,729.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,234,119.20 : 322,851,178.80 = 149,477,152.80 : x
  2. Step 2: Convert to fraction form
    215,234,119.20/322,851,178.80 = 149,477,152.80/x
  3. Step 3: Cross multiply
    215,234,119.20x = 322,851,178.80 × 149,477,152.80
  4. Step 4: Simplify right side
    215,234,119.20x = 48,258,874,985,147,728
  5. Step 5: Solve for x
    x = 48,258,874,985,147,728/215,234,119.20
  6. Step 6: Final answer
    x = 224,215,729.20

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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.