Home / 121,172,882.58-181,758,011.67-96,797,455.38

Finding the Fourth Proportional to 121,172,882.58, 181,758,011.67 and 96,797,455.38

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Solution

The fourth proportional to 121,172,882.58, 181,758,011.67 and 96,797,455.38 is: 145,195,134.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,172,882.58 : 181,758,011.67 = 96,797,455.38 : x
  2. Step 2: Convert to fraction form
    121,172,882.58/181,758,011.67 = 96,797,455.38/x
  3. Step 3: Cross multiply
    121,172,882.58x = 181,758,011.67 × 96,797,455.38
  4. Step 4: Simplify right side
    121,172,882.58x = 17,593,713,024,584,342
  5. Step 5: Solve for x
    x = 17,593,713,024,584,342/121,172,882.58
  6. Step 6: Final answer
    x = 145,195,134.84

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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.