Home / 126,121,655.72-189,267,368.34-44,241,308.84

Finding the Fourth Proportional to 126,121,655.72, 189,267,368.34 and 44,241,308.84

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Solution

The fourth proportional to 126,121,655.72, 189,267,368.34 and 44,241,308.84 is: 66,391,739.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,121,655.72 : 189,267,368.34 = 44,241,308.84 : x
  2. Step 2: Convert to fraction form
    126,121,655.72/189,267,368.34 = 44,241,308.84/x
  3. Step 3: Cross multiply
    126,121,655.72x = 189,267,368.34 × 44,241,308.84
  4. Step 4: Simplify right side
    126,121,655.72x = 8,373,436,096,703,052
  5. Step 5: Solve for x
    x = 8,373,436,096,703,052/126,121,655.72
  6. Step 6: Final answer
    x = 66,391,739.38

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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.