Home / 199,690,175.60-299,385,964.20-84,580,492.40

Finding the Fourth Proportional to 199,690,175.60, 299,385,964.20 and 84,580,492.40

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Solution

The fourth proportional to 199,690,175.60, 299,385,964.20 and 84,580,492.40 is: 126,807,501.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,690,175.60 : 299,385,964.20 = 84,580,492.40 : x
  2. Step 2: Convert to fraction form
    199,690,175.60/299,385,964.20 = 84,580,492.40/x
  3. Step 3: Cross multiply
    199,690,175.60x = 299,385,964.20 × 84,580,492.40
  4. Step 4: Simplify right side
    199,690,175.60x = 25,322,212,269,684,772
  5. Step 5: Solve for x
    x = 25,322,212,269,684,772/199,690,175.60
  6. Step 6: Final answer
    x = 126,807,501.64

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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.