Home / 194,982,479.54-292,473,701.53-85,807,650.54

Finding the Fourth Proportional to 194,982,479.54, 292,473,701.53 and 85,807,650.54

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Solution

The fourth proportional to 194,982,479.54, 292,473,701.53 and 85,807,650.54 is: 128,711,467.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,982,479.54 : 292,473,701.53 = 85,807,650.54 : x
  2. Step 2: Convert to fraction form
    194,982,479.54/292,473,701.53 = 85,807,650.54/x
  3. Step 3: Cross multiply
    194,982,479.54x = 292,473,701.53 × 85,807,650.54
  4. Step 4: Simplify right side
    194,982,479.54x = 25,096,481,171,320,464
  5. Step 5: Solve for x
    x = 25,096,481,171,320,464/194,982,479.54
  6. Step 6: Final answer
    x = 128,711,467.97

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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.