Home / 126,724,689.52-174,959,055.48-87,100,448.56

Finding the Fourth Proportional to 126,724,689.52, 174,959,055.48 and 87,100,448.56

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Solution

The fourth proportional to 126,724,689.52, 174,959,055.48 and 87,100,448.56 is: 120,252,906.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,724,689.52 : 174,959,055.48 = 87,100,448.56 : x
  2. Step 2: Convert to fraction form
    126,724,689.52/174,959,055.48 = 87,100,448.56/x
  3. Step 3: Cross multiply
    126,724,689.52x = 174,959,055.48 × 87,100,448.56
  4. Step 4: Simplify right side
    126,724,689.52x = 15,239,012,211,941,926
  5. Step 5: Solve for x
    x = 15,239,012,211,941,926/126,724,689.52
  6. Step 6: Final answer
    x = 120,252,906.28

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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.