Home / 126,137,717.80-189,206,576.70-118,484,967.40

Finding the Fourth Proportional to 126,137,717.80, 189,206,576.70 and 118,484,967.40

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Solution

The fourth proportional to 126,137,717.80, 189,206,576.70 and 118,484,967.40 is: 177,727,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,137,717.80 : 189,206,576.70 = 118,484,967.40 : x
  2. Step 2: Convert to fraction form
    126,137,717.80/189,206,576.70 = 118,484,967.40/x
  3. Step 3: Cross multiply
    126,137,717.80x = 189,206,576.70 × 118,484,967.40
  4. Step 4: Simplify right side
    126,137,717.80x = 22,418,135,072,165,100
  5. Step 5: Solve for x
    x = 22,418,135,072,165,100/126,137,717.80
  6. Step 6: Final answer
    x = 177,727,451.10

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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.