Home / 61,920,100.43-92,880,167.05-18,200,860.53

Finding the Fourth Proportional to 61,920,100.43, 92,880,167.05 and 18,200,860.53

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Solution

The fourth proportional to 61,920,100.43, 92,880,167.05 and 18,200,860.53 is: 27,301,295.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,920,100.43 : 92,880,167.05 = 18,200,860.53 : x
  2. Step 2: Convert to fraction form
    61,920,100.43/92,880,167.05 = 18,200,860.53/x
  3. Step 3: Cross multiply
    61,920,100.43x = 92,880,167.05 × 18,200,860.53
  4. Step 4: Simplify right side
    61,920,100.43x = 1,690,498,966,728,288.25
  5. Step 5: Solve for x
    x = 1,690,498,966,728,288.25/61,920,100.43
  6. Step 6: Final answer
    x = 27,301,295.62

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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.