Home / 128,011,175.25-191,995,105.34-35,873,707.76

Finding the Fourth Proportional to 128,011,175.25, 191,995,105.34 and 35,873,707.76

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Solution

The fourth proportional to 128,011,175.25, 191,995,105.34 and 35,873,707.76 is: 53,804,492.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,011,175.25 : 191,995,105.34 = 35,873,707.76 : x
  2. Step 2: Convert to fraction form
    128,011,175.25/191,995,105.34 = 35,873,707.76/x
  3. Step 3: Cross multiply
    128,011,175.25x = 191,995,105.34 × 35,873,707.76
  4. Step 4: Simplify right side
    128,011,175.25x = 6,887,576,300,227,891
  5. Step 5: Solve for x
    x = 6,887,576,300,227,891/128,011,175.25
  6. Step 6: Final answer
    x = 53,804,492.36

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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.