Home / 118,948,363.10-178,418,618.58-48,916,168.10

Finding the Fourth Proportional to 118,948,363.10, 178,418,618.58 and 48,916,168.10

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Solution

The fourth proportional to 118,948,363.10, 178,418,618.58 and 48,916,168.10 is: 73,372,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,948,363.10 : 178,418,618.58 = 48,916,168.10 : x
  2. Step 2: Convert to fraction form
    118,948,363.10/178,418,618.58 = 48,916,168.10/x
  3. Step 3: Cross multiply
    118,948,363.10x = 178,418,618.58 × 48,916,168.10
  4. Step 4: Simplify right side
    118,948,363.10x = 8,727,555,138,629,064
  5. Step 5: Solve for x
    x = 8,727,555,138,629,064/118,948,363.10
  6. Step 6: Final answer
    x = 73,372,637.60

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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.