Home / 126,216,809.60-189,059,793.60-104,983,145.60

Finding the Fourth Proportional to 126,216,809.60, 189,059,793.60 and 104,983,145.60

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Solution

The fourth proportional to 126,216,809.60, 189,059,793.60 and 104,983,145.60 is: 157,253,949.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,216,809.60 : 189,059,793.60 = 104,983,145.60 : x
  2. Step 2: Convert to fraction form
    126,216,809.60/189,059,793.60 = 104,983,145.60/x
  3. Step 3: Cross multiply
    126,216,809.60x = 189,059,793.60 × 104,983,145.60
  4. Step 4: Simplify right side
    126,216,809.60x = 19,848,091,838,614,748
  5. Step 5: Solve for x
    x = 19,848,091,838,614,748/126,216,809.60
  6. Step 6: Final answer
    x = 157,253,949.78

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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.