Home / 243,721,199.60-365,348,778.60-90,326,121.20

Finding the Fourth Proportional to 243,721,199.60, 365,348,778.60 and 90,326,121.20

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Solution

The fourth proportional to 243,721,199.60, 365,348,778.60 and 90,326,121.20 is: 135,402,821.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,721,199.60 : 365,348,778.60 = 90,326,121.20 : x
  2. Step 2: Convert to fraction form
    243,721,199.60/365,348,778.60 = 90,326,121.20/x
  3. Step 3: Cross multiply
    243,721,199.60x = 365,348,778.60 × 90,326,121.20
  4. Step 4: Simplify right side
    243,721,199.60x = 33,000,538,056,095,568
  5. Step 5: Solve for x
    x = 33,000,538,056,095,568/243,721,199.60
  6. Step 6: Final answer
    x = 135,402,821.38

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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.