Home / 126,119,456.48-174,044,772.96-68,172,704.48

Finding the Fourth Proportional to 126,119,456.48, 174,044,772.96 and 68,172,704.48

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Solution

The fourth proportional to 126,119,456.48, 174,044,772.96 and 68,172,704.48 is: 94,078,290.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,119,456.48 : 174,044,772.96 = 68,172,704.48 : x
  2. Step 2: Convert to fraction form
    126,119,456.48/174,044,772.96 = 68,172,704.48/x
  3. Step 3: Cross multiply
    126,119,456.48x = 174,044,772.96 × 68,172,704.48
  4. Step 4: Simplify right side
    126,119,456.48x = 11,865,102,873,290,776
  5. Step 5: Solve for x
    x = 11,865,102,873,290,776/126,119,456.48
  6. Step 6: Final answer
    x = 94,078,290.57

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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.