Home / 122,485,659.90-183,728,489.85-114,927,387.90

Finding the Fourth Proportional to 122,485,659.90, 183,728,489.85 and 114,927,387.90

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Solution

The fourth proportional to 122,485,659.90, 183,728,489.85 and 114,927,387.90 is: 172,391,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,485,659.90 : 183,728,489.85 = 114,927,387.90 : x
  2. Step 2: Convert to fraction form
    122,485,659.90/183,728,489.85 = 114,927,387.90/x
  3. Step 3: Cross multiply
    122,485,659.90x = 183,728,489.85 × 114,927,387.90
  4. Step 4: Simplify right side
    122,485,659.90x = 21,115,435,421,272,164
  5. Step 5: Solve for x
    x = 21,115,435,421,272,164/122,485,659.90
  6. Step 6: Final answer
    x = 172,391,081.85

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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.