Home / 162,404,484.56-243,621,042.11-45,820,861.78

Finding the Fourth Proportional to 162,404,484.56, 243,621,042.11 and 45,820,861.78

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Solution

The fourth proportional to 162,404,484.56, 243,621,042.11 and 45,820,861.78 is: 68,735,331.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,404,484.56 : 243,621,042.11 = 45,820,861.78 : x
  2. Step 2: Convert to fraction form
    162,404,484.56/243,621,042.11 = 45,820,861.78/x
  3. Step 3: Cross multiply
    162,404,484.56x = 243,621,042.11 × 45,820,861.78
  4. Step 4: Simplify right side
    162,404,484.56x = 11,162,926,096,455,780
  5. Step 5: Solve for x
    x = 11,162,926,096,455,780/162,404,484.56
  6. Step 6: Final answer
    x = 68,735,331.58

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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.