Home / 127,939,937.40-191,909,906.10-126,026,749.80

Finding the Fourth Proportional to 127,939,937.40, 191,909,906.10 and 126,026,749.80

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Solution

The fourth proportional to 127,939,937.40, 191,909,906.10 and 126,026,749.80 is: 189,040,124.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,939,937.40 : 191,909,906.10 = 126,026,749.80 : x
  2. Step 2: Convert to fraction form
    127,939,937.40/191,909,906.10 = 126,026,749.80/x
  3. Step 3: Cross multiply
    127,939,937.40x = 191,909,906.10 × 126,026,749.80
  4. Step 4: Simplify right side
    127,939,937.40x = 24,185,781,720,206,192
  5. Step 5: Solve for x
    x = 24,185,781,720,206,192/127,939,937.40
  6. Step 6: Final answer
    x = 189,040,124.70

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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.