Home / 319,193,585.28-440,478,349.92-179,963,138.88

Finding the Fourth Proportional to 319,193,585.28, 440,478,349.92 and 179,963,138.88

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Solution

The fourth proportional to 319,193,585.28, 440,478,349.92 and 179,963,138.88 is: 248,344,171.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,193,585.28 : 440,478,349.92 = 179,963,138.88 : x
  2. Step 2: Convert to fraction form
    319,193,585.28/440,478,349.92 = 179,963,138.88/x
  3. Step 3: Cross multiply
    319,193,585.28x = 440,478,349.92 × 179,963,138.88
  4. Step 4: Simplify right side
    319,193,585.28x = 79,269,866,460,286,192
  5. Step 5: Solve for x
    x = 79,269,866,460,286,192/319,193,585.28
  6. Step 6: Final answer
    x = 248,344,171.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.