Home / 126,159,449.58-189,237,912.39-39,897,871.02

Finding the Fourth Proportional to 126,159,449.58, 189,237,912.39 and 39,897,871.02

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Solution

The fourth proportional to 126,159,449.58, 189,237,912.39 and 39,897,871.02 is: 59,846,407.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,159,449.58 : 189,237,912.39 = 39,897,871.02 : x
  2. Step 2: Convert to fraction form
    126,159,449.58/189,237,912.39 = 39,897,871.02/x
  3. Step 3: Cross multiply
    126,159,449.58x = 189,237,912.39 × 39,897,871.02
  4. Step 4: Simplify right side
    126,159,449.58x = 7,550,189,820,630,280
  5. Step 5: Solve for x
    x = 7,550,189,820,630,280/126,159,449.58
  6. Step 6: Final answer
    x = 59,846,407.43

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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.