Home / 108,458,817.32-162,688,095.42-27,679,793.96

Finding the Fourth Proportional to 108,458,817.32, 162,688,095.42 and 27,679,793.96

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Solution

The fourth proportional to 108,458,817.32, 162,688,095.42 and 27,679,793.96 is: 41,519,657.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,458,817.32 : 162,688,095.42 = 27,679,793.96 : x
  2. Step 2: Convert to fraction form
    108,458,817.32/162,688,095.42 = 27,679,793.96/x
  3. Step 3: Cross multiply
    108,458,817.32x = 162,688,095.42 × 27,679,793.96
  4. Step 4: Simplify right side
    108,458,817.32x = 4,503,172,960,970,419.50
  5. Step 5: Solve for x
    x = 4,503,172,960,970,419.50/108,458,817.32
  6. Step 6: Final answer
    x = 41,519,657.62

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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.