Home / 162,394,152.66-243,636,179.22-74,982,416.22

Finding the Fourth Proportional to 162,394,152.66, 243,636,179.22 and 74,982,416.22

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Solution

The fourth proportional to 162,394,152.66, 243,636,179.22 and 74,982,416.22 is: 112,494,379.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,394,152.66 : 243,636,179.22 = 74,982,416.22 : x
  2. Step 2: Convert to fraction form
    162,394,152.66/243,636,179.22 = 74,982,416.22/x
  3. Step 3: Cross multiply
    162,394,152.66x = 243,636,179.22 × 74,982,416.22
  4. Step 4: Simplify right side
    162,394,152.66x = 18,268,429,396,524,556
  5. Step 5: Solve for x
    x = 18,268,429,396,524,556/162,394,152.66
  6. Step 6: Final answer
    x = 112,494,379.25

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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.