Home / 212,906,750.02-319,311,939.75-97,780,616.26

Finding the Fourth Proportional to 212,906,750.02, 319,311,939.75 and 97,780,616.26

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Solution

The fourth proportional to 212,906,750.02, 319,311,939.75 and 97,780,616.26 is: 146,648,794.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,906,750.02 : 319,311,939.75 = 97,780,616.26 : x
  2. Step 2: Convert to fraction form
    212,906,750.02/319,311,939.75 = 97,780,616.26/x
  3. Step 3: Cross multiply
    212,906,750.02x = 319,311,939.75 × 97,780,616.26
  4. Step 4: Simplify right side
    212,906,750.02x = 31,222,518,247,930,992
  5. Step 5: Solve for x
    x = 31,222,518,247,930,992/212,906,750.02
  6. Step 6: Final answer
    x = 146,648,794.58

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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.