Home / 199,545,043.80-299,093,616.90-84,510,010.20

Finding the Fourth Proportional to 199,545,043.80, 299,093,616.90 and 84,510,010.20

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Solution

The fourth proportional to 199,545,043.80, 299,093,616.90 and 84,510,010.20 is: 126,670,169.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,545,043.80 : 299,093,616.90 = 84,510,010.20 : x
  2. Step 2: Convert to fraction form
    199,545,043.80/299,093,616.90 = 84,510,010.20/x
  3. Step 3: Cross multiply
    199,545,043.80x = 299,093,616.90 × 84,510,010.20
  4. Step 4: Simplify right side
    199,545,043.80x = 25,276,404,614,973,892
  5. Step 5: Solve for x
    x = 25,276,404,614,973,892/199,545,043.80
  6. Step 6: Final answer
    x = 126,670,169.97

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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.