Home / 168,492,734.20-252,739,101.30-149,345,111.80

Finding the Fourth Proportional to 168,492,734.20, 252,739,101.30 and 149,345,111.80

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Solution

The fourth proportional to 168,492,734.20, 252,739,101.30 and 149,345,111.80 is: 224,017,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,492,734.20 : 252,739,101.30 = 149,345,111.80 : x
  2. Step 2: Convert to fraction form
    168,492,734.20/252,739,101.30 = 149,345,111.80/x
  3. Step 3: Cross multiply
    168,492,734.20x = 252,739,101.30 × 149,345,111.80
  4. Step 4: Simplify right side
    168,492,734.20x = 37,745,349,339,880,032
  5. Step 5: Solve for x
    x = 37,745,349,339,880,032/168,492,734.20
  6. Step 6: Final answer
    x = 224,017,667.70

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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.