Home / 156,287,998.80-234,431,998.20-79,846,808.40

Finding the Fourth Proportional to 156,287,998.80, 234,431,998.20 and 79,846,808.40

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Solution

The fourth proportional to 156,287,998.80, 234,431,998.20 and 79,846,808.40 is: 119,770,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,287,998.80 : 234,431,998.20 = 79,846,808.40 : x
  2. Step 2: Convert to fraction form
    156,287,998.80/234,431,998.20 = 79,846,808.40/x
  3. Step 3: Cross multiply
    156,287,998.80x = 234,431,998.20 × 79,846,808.40
  4. Step 4: Simplify right side
    156,287,998.80x = 18,718,646,843,104,544
  5. Step 5: Solve for x
    x = 18,718,646,843,104,544/156,287,998.80
  6. Step 6: Final answer
    x = 119,770,212.60

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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.