Home / 121,379,206.20-182,068,809.30-120,528,900.60

Finding the Fourth Proportional to 121,379,206.20, 182,068,809.30 and 120,528,900.60

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Solution

The fourth proportional to 121,379,206.20, 182,068,809.30 and 120,528,900.60 is: 180,793,350.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,379,206.20 : 182,068,809.30 = 120,528,900.60 : x
  2. Step 2: Convert to fraction form
    121,379,206.20/182,068,809.30 = 120,528,900.60/x
  3. Step 3: Cross multiply
    121,379,206.20x = 182,068,809.30 × 120,528,900.60
  4. Step 4: Simplify right side
    121,379,206.20x = 21,944,553,418,480,056
  5. Step 5: Solve for x
    x = 21,944,553,418,480,056/121,379,206.20
  6. Step 6: Final answer
    x = 180,793,350.90

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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.