Home / 254,232,005.10-381,348,007.65-196,836,377.10

Finding the Fourth Proportional to 254,232,005.10, 381,348,007.65 and 196,836,377.10

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Solution

The fourth proportional to 254,232,005.10, 381,348,007.65 and 196,836,377.10 is: 295,254,565.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,232,005.10 : 381,348,007.65 = 196,836,377.10 : x
  2. Step 2: Convert to fraction form
    254,232,005.10/381,348,007.65 = 196,836,377.10/x
  3. Step 3: Cross multiply
    254,232,005.10x = 381,348,007.65 × 196,836,377.10
  4. Step 4: Simplify right side
    254,232,005.10x = 75,063,160,240,129,072
  5. Step 5: Solve for x
    x = 75,063,160,240,129,072/254,232,005.10
  6. Step 6: Final answer
    x = 295,254,565.65

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Double scale
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Similar ratio
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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.