Home / 202,230,012.90-303,345,019.35-161,919,228.90

Finding the Fourth Proportional to 202,230,012.90, 303,345,019.35 and 161,919,228.90

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Solution

The fourth proportional to 202,230,012.90, 303,345,019.35 and 161,919,228.90 is: 242,878,843.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,230,012.90 : 303,345,019.35 = 161,919,228.90 : x
  2. Step 2: Convert to fraction form
    202,230,012.90/303,345,019.35 = 161,919,228.90/x
  3. Step 3: Cross multiply
    202,230,012.90x = 303,345,019.35 × 161,919,228.90
  4. Step 4: Simplify right side
    202,230,012.90x = 49,117,391,623,807,584
  5. Step 5: Solve for x
    x = 49,117,391,623,807,584/202,230,012.90
  6. Step 6: Final answer
    x = 242,878,843.35

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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.