Home / 110,420,215.20-165,630,322.80-75,982,838.40

Finding the Fourth Proportional to 110,420,215.20, 165,630,322.80 and 75,982,838.40

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Solution

The fourth proportional to 110,420,215.20, 165,630,322.80 and 75,982,838.40 is: 113,974,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,420,215.20 : 165,630,322.80 = 75,982,838.40 : x
  2. Step 2: Convert to fraction form
    110,420,215.20/165,630,322.80 = 75,982,838.40/x
  3. Step 3: Cross multiply
    110,420,215.20x = 165,630,322.80 × 75,982,838.40
  4. Step 4: Simplify right side
    110,420,215.20x = 12,585,062,051,452,238
  5. Step 5: Solve for x
    x = 12,585,062,051,452,238/110,420,215.20
  6. Step 6: Final answer
    x = 113,974,257.60

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1.5x scale

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.