Home / 168,305,429.90-252,458,144.85-77,606,165.90

Finding the Fourth Proportional to 168,305,429.90, 252,458,144.85 and 77,606,165.90

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Solution

The fourth proportional to 168,305,429.90, 252,458,144.85 and 77,606,165.90 is: 116,409,248.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,305,429.90 : 252,458,144.85 = 77,606,165.90 : x
  2. Step 2: Convert to fraction form
    168,305,429.90/252,458,144.85 = 77,606,165.90/x
  3. Step 3: Cross multiply
    168,305,429.90x = 252,458,144.85 × 77,606,165.90
  4. Step 4: Simplify right side
    168,305,429.90x = 19,592,308,672,035,332
  5. Step 5: Solve for x
    x = 19,592,308,672,035,332/168,305,429.90
  6. Step 6: Final answer
    x = 116,409,248.85

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1.5x scale

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.