Home / 61,781,756.82-92,126,786.40-61,227,231.36

Finding the Fourth Proportional to 61,781,756.82, 92,126,786.40 and 61,227,231.36

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Solution

The fourth proportional to 61,781,756.82, 92,126,786.40 and 61,227,231.36 is: 91,299,897.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,781,756.82 : 92,126,786.40 = 61,227,231.36 : x
  2. Step 2: Convert to fraction form
    61,781,756.82/92,126,786.40 = 61,227,231.36/x
  3. Step 3: Cross multiply
    61,781,756.82x = 92,126,786.40 × 61,227,231.36
  4. Step 4: Simplify right side
    61,781,756.82x = 5,640,668,065,366,102
  5. Step 5: Solve for x
    x = 5,640,668,065,366,102/61,781,756.82
  6. Step 6: Final answer
    x = 91,299,897.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.