Home / 92,761,469.20-128,014,046.76-51,509,050.48

Finding the Fourth Proportional to 92,761,469.20, 128,014,046.76 and 51,509,050.48

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Solution

The fourth proportional to 92,761,469.20, 128,014,046.76 and 51,509,050.48 is: 71,084,277.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,761,469.20 : 128,014,046.76 = 51,509,050.48 : x
  2. Step 2: Convert to fraction form
    92,761,469.20/128,014,046.76 = 51,509,050.48/x
  3. Step 3: Cross multiply
    92,761,469.20x = 128,014,046.76 × 51,509,050.48
  4. Step 4: Simplify right side
    92,761,469.20x = 6,593,881,996,709,920
  5. Step 5: Solve for x
    x = 6,593,881,996,709,920/92,761,469.20
  6. Step 6: Final answer
    x = 71,084,277.27

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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.