Home / 126,728,044.64-174,864,725.24-73,813,460.72

Finding the Fourth Proportional to 126,728,044.64, 174,864,725.24 and 73,813,460.72

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Solution

The fourth proportional to 126,728,044.64, 174,864,725.24 and 73,813,460.72 is: 101,850,940.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,728,044.64 : 174,864,725.24 = 73,813,460.72 : x
  2. Step 2: Convert to fraction form
    126,728,044.64/174,864,725.24 = 73,813,460.72/x
  3. Step 3: Cross multiply
    126,728,044.64x = 174,864,725.24 × 73,813,460.72
  4. Step 4: Simplify right side
    126,728,044.64x = 12,907,370,527,816,334
  5. Step 5: Solve for x
    x = 12,907,370,527,816,334/126,728,044.64
  6. Step 6: Final answer
    x = 101,850,940.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.