Home / 217,970,595.14-300,872,311.25-129,892,212.50

Finding the Fourth Proportional to 217,970,595.14, 300,872,311.25 and 129,892,212.50

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Solution

The fourth proportional to 217,970,595.14, 300,872,311.25 and 129,892,212.50 is: 179,294,689.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,970,595.14 : 300,872,311.25 = 129,892,212.50 : x
  2. Step 2: Convert to fraction form
    217,970,595.14/300,872,311.25 = 129,892,212.50/x
  3. Step 3: Cross multiply
    217,970,595.14x = 300,872,311.25 × 129,892,212.50
  4. Step 4: Simplify right side
    217,970,595.14x = 39,080,970,186,097,320
  5. Step 5: Solve for x
    x = 39,080,970,186,097,320/217,970,595.14
  6. Step 6: Final answer
    x = 179,294,689.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.