Home / 126,609,023.98-189,909,993.02-40,352,606.74

Finding the Fourth Proportional to 126,609,023.98, 189,909,993.02 and 40,352,606.74

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Solution

The fourth proportional to 126,609,023.98, 189,909,993.02 and 40,352,606.74 is: 60,527,780.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,609,023.98 : 189,909,993.02 = 40,352,606.74 : x
  2. Step 2: Convert to fraction form
    126,609,023.98/189,909,993.02 = 40,352,606.74/x
  3. Step 3: Cross multiply
    126,609,023.98x = 189,909,993.02 × 40,352,606.74
  4. Step 4: Simplify right side
    126,609,023.98x = 7,663,363,263,958,311
  5. Step 5: Solve for x
    x = 7,663,363,263,958,311/126,609,023.98
  6. Step 6: Final answer
    x = 60,527,780.91

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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.