Home / 168,809,789.68-253,179,254.52-47,612,898.16

Finding the Fourth Proportional to 168,809,789.68, 253,179,254.52 and 47,612,898.16

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Solution

The fourth proportional to 168,809,789.68, 253,179,254.52 and 47,612,898.16 is: 71,409,354.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,809,789.68 : 253,179,254.52 = 47,612,898.16 : x
  2. Step 2: Convert to fraction form
    168,809,789.68/253,179,254.52 = 47,612,898.16/x
  3. Step 3: Cross multiply
    168,809,789.68x = 253,179,254.52 × 47,612,898.16
  4. Step 4: Simplify right side
    168,809,789.68x = 12,054,598,061,685,480
  5. Step 5: Solve for x
    x = 12,054,598,061,685,480/168,809,789.68
  6. Step 6: Final answer
    x = 71,409,354.19

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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.