Home / 126,137,718.80-189,206,578.20-118,484,968.40

Finding the Fourth Proportional to 126,137,718.80, 189,206,578.20 and 118,484,968.40

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Solution

The fourth proportional to 126,137,718.80, 189,206,578.20 and 118,484,968.40 is: 177,727,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,137,718.80 : 189,206,578.20 = 118,484,968.40 : x
  2. Step 2: Convert to fraction form
    126,137,718.80/189,206,578.20 = 118,484,968.40/x
  3. Step 3: Cross multiply
    126,137,718.80x = 189,206,578.20 × 118,484,968.40
  4. Step 4: Simplify right side
    126,137,718.80x = 22,418,135,439,099,128
  5. Step 5: Solve for x
    x = 22,418,135,439,099,128/126,137,718.80
  6. Step 6: Final answer
    x = 177,727,452.60

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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.