Home / 256,416,077.80-384,624,116.70-160,864,589.80

Finding the Fourth Proportional to 256,416,077.80, 384,624,116.70 and 160,864,589.80

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Solution

The fourth proportional to 256,416,077.80, 384,624,116.70 and 160,864,589.80 is: 241,296,884.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,416,077.80 : 384,624,116.70 = 160,864,589.80 : x
  2. Step 2: Convert to fraction form
    256,416,077.80/384,624,116.70 = 160,864,589.80/x
  3. Step 3: Cross multiply
    256,416,077.80x = 384,624,116.70 × 160,864,589.80
  4. Step 4: Simplify right side
    256,416,077.80x = 61,872,400,760,132,832
  5. Step 5: Solve for x
    x = 61,872,400,760,132,832/256,416,077.80
  6. Step 6: Final answer
    x = 241,296,884.70

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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.