Home / 330,080,676.30-495,121,014.45-100,019,867.40

Finding the Fourth Proportional to 330,080,676.30, 495,121,014.45 and 100,019,867.40

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Solution

The fourth proportional to 330,080,676.30, 495,121,014.45 and 100,019,867.40 is: 150,029,801.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,080,676.30 : 495,121,014.45 = 100,019,867.40 : x
  2. Step 2: Convert to fraction form
    330,080,676.30/495,121,014.45 = 100,019,867.40/x
  3. Step 3: Cross multiply
    330,080,676.30x = 495,121,014.45 × 100,019,867.40
  4. Step 4: Simplify right side
    330,080,676.30x = 49,521,938,212,242,488
  5. Step 5: Solve for x
    x = 49,521,938,212,242,488/330,080,676.30
  6. Step 6: Final answer
    x = 150,029,801.10

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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.