Home / 97,758,221.80-146,794,004.70-77,730,010.60

Finding the Fourth Proportional to 97,758,221.80, 146,794,004.70 and 77,730,010.60

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Solution

The fourth proportional to 97,758,221.80, 146,794,004.70 and 77,730,010.60 is: 116,719,589.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,758,221.80 : 146,794,004.70 = 77,730,010.60 : x
  2. Step 2: Convert to fraction form
    97,758,221.80/146,794,004.70 = 77,730,010.60/x
  3. Step 3: Cross multiply
    97,758,221.80x = 146,794,004.70 × 77,730,010.60
  4. Step 4: Simplify right side
    97,758,221.80x = 11,410,299,541,347,448
  5. Step 5: Solve for x
    x = 11,410,299,541,347,448/97,758,221.80
  6. Step 6: Final answer
    x = 116,719,589.73

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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.