Home / 212,798,180.36-319,185,915.15-57,349,494.30

Finding the Fourth Proportional to 212,798,180.36, 319,185,915.15 and 57,349,494.30

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Solution

The fourth proportional to 212,798,180.36, 319,185,915.15 and 57,349,494.30 is: 86,021,181.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,798,180.36 : 319,185,915.15 = 57,349,494.30 : x
  2. Step 2: Convert to fraction form
    212,798,180.36/319,185,915.15 = 57,349,494.30/x
  3. Step 3: Cross multiply
    212,798,180.36x = 319,185,915.15 × 57,349,494.30
  4. Step 4: Simplify right side
    212,798,180.36x = 18,305,150,821,151,796
  5. Step 5: Solve for x
    x = 18,305,150,821,151,796/212,798,180.36
  6. Step 6: Final answer
    x = 86,021,181.15

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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.