Home / 127,904,087.40-191,856,131.10-89,608,842.60

Finding the Fourth Proportional to 127,904,087.40, 191,856,131.10 and 89,608,842.60

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Solution

The fourth proportional to 127,904,087.40, 191,856,131.10 and 89,608,842.60 is: 134,413,263.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,904,087.40 : 191,856,131.10 = 89,608,842.60 : x
  2. Step 2: Convert to fraction form
    127,904,087.40/191,856,131.10 = 89,608,842.60/x
  3. Step 3: Cross multiply
    127,904,087.40x = 191,856,131.10 × 89,608,842.60
  4. Step 4: Simplify right side
    127,904,087.40x = 17,192,005,853,584,864
  5. Step 5: Solve for x
    x = 17,192,005,853,584,864/127,904,087.40
  6. Step 6: Final answer
    x = 134,413,263.90

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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.