Home / 126,662,919.36-174,795,167.52-68,716,167.36

Finding the Fourth Proportional to 126,662,919.36, 174,795,167.52 and 68,716,167.36

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Solution

The fourth proportional to 126,662,919.36, 174,795,167.52 and 68,716,167.36 is: 94,828,494.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,662,919.36 : 174,795,167.52 = 68,716,167.36 : x
  2. Step 2: Convert to fraction form
    126,662,919.36/174,795,167.52 = 68,716,167.36/x
  3. Step 3: Cross multiply
    126,662,919.36x = 174,795,167.52 × 68,716,167.36
  4. Step 4: Simplify right side
    126,662,919.36x = 12,011,253,985,023,556
  5. Step 5: Solve for x
    x = 12,011,253,985,023,556/126,662,919.36
  6. Step 6: Final answer
    x = 94,828,494.76

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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.