Home / 162,589,459.11-243,845,138.76-75,066,884.26

Finding the Fourth Proportional to 162,589,459.11, 243,845,138.76 and 75,066,884.26

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Solution

The fourth proportional to 162,589,459.11, 243,845,138.76 and 75,066,884.26 is: 112,582,297.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,589,459.11 : 243,845,138.76 = 75,066,884.26 : x
  2. Step 2: Convert to fraction form
    162,589,459.11/243,845,138.76 = 75,066,884.26/x
  3. Step 3: Cross multiply
    162,589,459.11x = 243,845,138.76 × 75,066,884.26
  4. Step 4: Simplify right side
    162,589,459.11x = 18,304,694,807,769,444
  5. Step 5: Solve for x
    x = 18,304,694,807,769,444/162,589,459.11
  6. Step 6: Final answer
    x = 112,582,297.21

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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.