Home / 126,036,110.40-189,054,165.60-30,297,998.40

Finding the Fourth Proportional to 126,036,110.40, 189,054,165.60 and 30,297,998.40

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Solution

The fourth proportional to 126,036,110.40, 189,054,165.60 and 30,297,998.40 is: 45,446,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,036,110.40 : 189,054,165.60 = 30,297,998.40 : x
  2. Step 2: Convert to fraction form
    126,036,110.40/189,054,165.60 = 30,297,998.40/x
  3. Step 3: Cross multiply
    126,036,110.40x = 189,054,165.60 × 30,297,998.40
  4. Step 4: Simplify right side
    126,036,110.40x = 5,727,962,806,862,135
  5. Step 5: Solve for x
    x = 5,727,962,806,862,135/126,036,110.40
  6. Step 6: Final answer
    x = 45,446,997.60

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Similar ratio
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1.5x scale

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.