Home / 45,318,470.18-67,990,199.38-18,043,916.49

Finding the Fourth Proportional to 45,318,470.18, 67,990,199.38 and 18,043,916.49

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Solution

The fourth proportional to 45,318,470.18, 67,990,199.38 and 18,043,916.49 is: 27,070,849.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,318,470.18 : 67,990,199.38 = 18,043,916.49 : x
  2. Step 2: Convert to fraction form
    45,318,470.18/67,990,199.38 = 18,043,916.49/x
  3. Step 3: Cross multiply
    45,318,470.18x = 67,990,199.38 × 18,043,916.49
  4. Step 4: Simplify right side
    45,318,470.18x = 1,226,809,479,706,059.75
  5. Step 5: Solve for x
    x = 1,226,809,479,706,059.75/45,318,470.18
  6. Step 6: Final answer
    x = 27,070,849.37

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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.