Home / 126,131,157.40-189,196,736.10-34,014,717.40

Finding the Fourth Proportional to 126,131,157.40, 189,196,736.10 and 34,014,717.40

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Solution

The fourth proportional to 126,131,157.40, 189,196,736.10 and 34,014,717.40 is: 51,022,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,131,157.40 : 189,196,736.10 = 34,014,717.40 : x
  2. Step 2: Convert to fraction form
    126,131,157.40/189,196,736.10 = 34,014,717.40/x
  3. Step 3: Cross multiply
    126,131,157.40x = 189,196,736.10 × 34,014,717.40
  4. Step 4: Simplify right side
    126,131,157.40x = 6,435,473,511,443,878
  5. Step 5: Solve for x
    x = 6,435,473,511,443,878/126,131,157.40
  6. Step 6: Final answer
    x = 51,022,076.10

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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.