Home / 126,011,628.60-189,017,442.90-30,273,516.60

Finding the Fourth Proportional to 126,011,628.60, 189,017,442.90 and 30,273,516.60

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Solution

The fourth proportional to 126,011,628.60, 189,017,442.90 and 30,273,516.60 is: 45,410,274.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,011,628.60 : 189,017,442.90 = 30,273,516.60 : x
  2. Step 2: Convert to fraction form
    126,011,628.60/189,017,442.90 = 30,273,516.60/x
  3. Step 3: Cross multiply
    126,011,628.60x = 189,017,442.90 × 30,273,516.60
  4. Step 4: Simplify right side
    126,011,628.60x = 5,722,222,695,322,703
  5. Step 5: Solve for x
    x = 5,722,222,695,322,703/126,011,628.60
  6. Step 6: Final answer
    x = 45,410,274.90

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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.