Home / 256,416,076.80-384,624,115.20-160,864,588.80

Finding the Fourth Proportional to 256,416,076.80, 384,624,115.20 and 160,864,588.80

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Solution

The fourth proportional to 256,416,076.80, 384,624,115.20 and 160,864,588.80 is: 241,296,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,416,076.80 : 384,624,115.20 = 160,864,588.80 : x
  2. Step 2: Convert to fraction form
    256,416,076.80/384,624,115.20 = 160,864,588.80/x
  3. Step 3: Cross multiply
    256,416,076.80x = 384,624,115.20 × 160,864,588.80
  4. Step 4: Simplify right side
    256,416,076.80x = 61,872,400,134,211,832
  5. Step 5: Solve for x
    x = 61,872,400,134,211,832/256,416,076.80
  6. Step 6: Final answer
    x = 241,296,883.20

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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.