Home / 299,336,695.80-449,173,005.30-126,784,145.40

Finding the Fourth Proportional to 299,336,695.80, 449,173,005.30 and 126,784,145.40

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Solution

The fourth proportional to 299,336,695.80, 449,173,005.30 and 126,784,145.40 is: 190,247,358.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,336,695.80 : 449,173,005.30 = 126,784,145.40 : x
  2. Step 2: Convert to fraction form
    299,336,695.80/449,173,005.30 = 126,784,145.40/x
  3. Step 3: Cross multiply
    299,336,695.80x = 449,173,005.30 × 126,784,145.40
  4. Step 4: Simplify right side
    299,336,695.80x = 56,948,015,613,710,176
  5. Step 5: Solve for x
    x = 56,948,015,613,710,176/299,336,695.80
  6. Step 6: Final answer
    x = 190,247,358.28

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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.