Home / 168,530,885.10-252,796,327.65-47,362,337.10

Finding the Fourth Proportional to 168,530,885.10, 252,796,327.65 and 47,362,337.10

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Solution

The fourth proportional to 168,530,885.10, 252,796,327.65 and 47,362,337.10 is: 71,043,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,530,885.10 : 252,796,327.65 = 47,362,337.10 : x
  2. Step 2: Convert to fraction form
    168,530,885.10/252,796,327.65 = 47,362,337.10/x
  3. Step 3: Cross multiply
    168,530,885.10x = 252,796,327.65 × 47,362,337.10
  4. Step 4: Simplify right side
    168,530,885.10x = 11,973,024,887,801,352
  5. Step 5: Solve for x
    x = 11,973,024,887,801,352/168,530,885.10
  6. Step 6: Final answer
    x = 71,043,505.65

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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.