Home / 319,965,693.12-479,973,424.32-104,576,713.92

Finding the Fourth Proportional to 319,965,693.12, 479,973,424.32 and 104,576,713.92

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Solution

The fourth proportional to 319,965,693.12, 479,973,424.32 and 104,576,713.92 is: 156,873,204.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,965,693.12 : 479,973,424.32 = 104,576,713.92 : x
  2. Step 2: Convert to fraction form
    319,965,693.12/479,973,424.32 = 104,576,713.92/x
  3. Step 3: Cross multiply
    319,965,693.12x = 479,973,424.32 × 104,576,713.92
  4. Step 4: Simplify right side
    319,965,693.12x = 50,194,043,484,315,408
  5. Step 5: Solve for x
    x = 50,194,043,484,315,408/319,965,693.12
  6. Step 6: Final answer
    x = 156,873,204.11

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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.