Home / 319,972,824.32-479,959,237.62-89,941,908.98

Finding the Fourth Proportional to 319,972,824.32, 479,959,237.62 and 89,941,908.98

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Solution

The fourth proportional to 319,972,824.32, 479,959,237.62 and 89,941,908.98 is: 134,912,863.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,972,824.32 : 479,959,237.62 = 89,941,908.98 : x
  2. Step 2: Convert to fraction form
    319,972,824.32/479,959,237.62 = 89,941,908.98/x
  3. Step 3: Cross multiply
    319,972,824.32x = 479,959,237.62 × 89,941,908.98
  4. Step 4: Simplify right side
    319,972,824.32x = 43,168,450,061,728,432
  5. Step 5: Solve for x
    x = 43,168,450,061,728,432/319,972,824.32
  6. Step 6: Final answer
    x = 134,912,863.79

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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.