Home / 120,120,352.20-180,180,528.30-120,120,352.20

Finding the Fourth Proportional to 120,120,352.20, 180,180,528.30 and 120,120,352.20

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Solution

The fourth proportional to 120,120,352.20, 180,180,528.30 and 120,120,352.20 is: 180,180,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,120,352.20 : 180,180,528.30 = 120,120,352.20 : x
  2. Step 2: Convert to fraction form
    120,120,352.20/180,180,528.30 = 120,120,352.20/x
  3. Step 3: Cross multiply
    120,120,352.20x = 180,180,528.30 × 120,120,352.20
  4. Step 4: Simplify right side
    120,120,352.20x = 21,643,348,518,978,068
  5. Step 5: Solve for x
    x = 21,643,348,518,978,068/120,120,352.20
  6. Step 6: Final answer
    x = 180,180,528.30

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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.