Home / 126,961,797.78-175,209,200.64-71,219,574.54

Finding the Fourth Proportional to 126,961,797.78, 175,209,200.64 and 71,219,574.54

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Solution

The fourth proportional to 126,961,797.78, 175,209,200.64 and 71,219,574.54 is: 98,284,089.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,961,797.78 : 175,209,200.64 = 71,219,574.54 : x
  2. Step 2: Convert to fraction form
    126,961,797.78/175,209,200.64 = 71,219,574.54/x
  3. Step 3: Cross multiply
    126,961,797.78x = 175,209,200.64 × 71,219,574.54
  4. Step 4: Simplify right side
    126,961,797.78x = 12,478,324,725,074,296
  5. Step 5: Solve for x
    x = 12,478,324,725,074,296/126,961,797.78
  6. Step 6: Final answer
    x = 98,284,089.73

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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.