Home / 134,798,468.80-202,197,703.20-80,378,910.40

Finding the Fourth Proportional to 134,798,468.80, 202,197,703.20 and 80,378,910.40

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Solution

The fourth proportional to 134,798,468.80, 202,197,703.20 and 80,378,910.40 is: 120,568,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,798,468.80 : 202,197,703.20 = 80,378,910.40 : x
  2. Step 2: Convert to fraction form
    134,798,468.80/202,197,703.20 = 80,378,910.40/x
  3. Step 3: Cross multiply
    134,798,468.80x = 202,197,703.20 × 80,378,910.40
  4. Step 4: Simplify right side
    134,798,468.80x = 16,252,431,068,598,594
  5. Step 5: Solve for x
    x = 16,252,431,068,598,594/134,798,468.80
  6. Step 6: Final answer
    x = 120,568,365.60

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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.