Home / 199,331,999.40-298,997,999.10-181,475,581.80

Finding the Fourth Proportional to 199,331,999.40, 298,997,999.10 and 181,475,581.80

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Solution

The fourth proportional to 199,331,999.40, 298,997,999.10 and 181,475,581.80 is: 272,213,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,331,999.40 : 298,997,999.10 = 181,475,581.80 : x
  2. Step 2: Convert to fraction form
    199,331,999.40/298,997,999.10 = 181,475,581.80/x
  3. Step 3: Cross multiply
    199,331,999.40x = 298,997,999.10 × 181,475,581.80
  4. Step 4: Simplify right side
    199,331,999.40x = 54,260,835,843,708,384
  5. Step 5: Solve for x
    x = 54,260,835,843,708,384/199,331,999.40
  6. Step 6: Final answer
    x = 272,213,372.70

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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.