Home / 162,403,720.96-243,619,902.05-45,820,096.96

Finding the Fourth Proportional to 162,403,720.96, 243,619,902.05 and 45,820,096.96

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Solution

The fourth proportional to 162,403,720.96, 243,619,902.05 and 45,820,096.96 is: 68,734,185.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,403,720.96 : 243,619,902.05 = 45,820,096.96 : x
  2. Step 2: Convert to fraction form
    162,403,720.96/243,619,902.05 = 45,820,096.96/x
  3. Step 3: Cross multiply
    162,403,720.96x = 243,619,902.05 × 45,820,096.96
  4. Step 4: Simplify right side
    162,403,720.96x = 11,162,687,533,316,704
  5. Step 5: Solve for x
    x = 11,162,687,533,316,704/162,403,720.96
  6. Step 6: Final answer
    x = 68,734,185.81

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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.