Home / 212,909,610.30-319,364,415.45-144,885,162.30

Finding the Fourth Proportional to 212,909,610.30, 319,364,415.45 and 144,885,162.30

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Solution

The fourth proportional to 212,909,610.30, 319,364,415.45 and 144,885,162.30 is: 217,327,743.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,909,610.30 : 319,364,415.45 = 144,885,162.30 : x
  2. Step 2: Convert to fraction form
    212,909,610.30/319,364,415.45 = 144,885,162.30/x
  3. Step 3: Cross multiply
    212,909,610.30x = 319,364,415.45 × 144,885,162.30
  4. Step 4: Simplify right side
    212,909,610.30x = 46,271,165,165,317,880
  5. Step 5: Solve for x
    x = 46,271,165,165,317,880/212,909,610.30
  6. Step 6: Final answer
    x = 217,327,743.45

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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.