Home / 116,719,826.82-161,092,955.97-79,025,897.58

Finding the Fourth Proportional to 116,719,826.82, 161,092,955.97 and 79,025,897.58

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Solution

The fourth proportional to 116,719,826.82, 161,092,955.97 and 79,025,897.58 is: 109,069,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,719,826.82 : 161,092,955.97 = 79,025,897.58 : x
  2. Step 2: Convert to fraction form
    116,719,826.82/161,092,955.97 = 79,025,897.58/x
  3. Step 3: Cross multiply
    116,719,826.82x = 161,092,955.97 × 79,025,897.58
  4. Step 4: Simplify right side
    116,719,826.82x = 12,730,515,439,344,670
  5. Step 5: Solve for x
    x = 12,730,515,439,344,670/116,719,826.82
  6. Step 6: Final answer
    x = 109,069,005.55

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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.