Home / 199,632,679.80-299,449,019.70-113,337,742.20

Finding the Fourth Proportional to 199,632,679.80, 299,449,019.70 and 113,337,742.20

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Solution

The fourth proportional to 199,632,679.80, 299,449,019.70 and 113,337,742.20 is: 170,006,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,632,679.80 : 299,449,019.70 = 113,337,742.20 : x
  2. Step 2: Convert to fraction form
    199,632,679.80/299,449,019.70 = 113,337,742.20/x
  3. Step 3: Cross multiply
    199,632,679.80x = 299,449,019.70 × 113,337,742.20
  4. Step 4: Simplify right side
    199,632,679.80x = 33,938,875,796,801,320
  5. Step 5: Solve for x
    x = 33,938,875,796,801,320/199,632,679.80
  6. Step 6: Final answer
    x = 170,006,613.30

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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.