Home / 202,230,039.40-303,345,059.10-161,919,255.40

Finding the Fourth Proportional to 202,230,039.40, 303,345,059.10 and 161,919,255.40

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Solution

The fourth proportional to 202,230,039.40, 303,345,059.10 and 161,919,255.40 is: 242,878,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,230,039.40 : 303,345,059.10 = 161,919,255.40 : x
  2. Step 2: Convert to fraction form
    202,230,039.40/303,345,059.10 = 161,919,255.40/x
  3. Step 3: Cross multiply
    202,230,039.40x = 303,345,059.10 × 161,919,255.40
  4. Step 4: Simplify right side
    202,230,039.40x = 49,117,406,098,741,000
  5. Step 5: Solve for x
    x = 49,117,406,098,741,000/202,230,039.40
  6. Step 6: Final answer
    x = 242,878,883.10

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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.