Home / 126,513,688.23-189,796,415.15-43,504,659.96

Finding the Fourth Proportional to 126,513,688.23, 189,796,415.15 and 43,504,659.96

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Solution

The fourth proportional to 126,513,688.23, 189,796,415.15 and 43,504,659.96 is: 65,265,890.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,513,688.23 : 189,796,415.15 = 43,504,659.96 : x
  2. Step 2: Convert to fraction form
    126,513,688.23/189,796,415.15 = 43,504,659.96/x
  3. Step 3: Cross multiply
    126,513,688.23x = 189,796,415.15 × 43,504,659.96
  4. Step 4: Simplify right side
    126,513,688.23x = 8,257,028,503,385,098
  5. Step 5: Solve for x
    x = 8,257,028,503,385,098/126,513,688.23
  6. Step 6: Final answer
    x = 65,265,890.35

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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.