Home / 84,770,840.34-126,970,870.56-60,103,996.74

Finding the Fourth Proportional to 84,770,840.34, 126,970,870.56 and 60,103,996.74

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Solution

The fourth proportional to 84,770,840.34, 126,970,870.56 and 60,103,996.74 is: 90,024,550.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,770,840.34 : 126,970,870.56 = 60,103,996.74 : x
  2. Step 2: Convert to fraction form
    84,770,840.34/126,970,870.56 = 60,103,996.74/x
  3. Step 3: Cross multiply
    84,770,840.34x = 126,970,870.56 × 60,103,996.74
  4. Step 4: Simplify right side
    84,770,840.34x = 7,631,456,790,213,202
  5. Step 5: Solve for x
    x = 7,631,456,790,213,202/84,770,840.34
  6. Step 6: Final answer
    x = 90,024,550.42

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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.