Home / 75,180,003.20-112,770,004.80-51,292,131.20

Finding the Fourth Proportional to 75,180,003.20, 112,770,004.80 and 51,292,131.20

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Solution

The fourth proportional to 75,180,003.20, 112,770,004.80 and 51,292,131.20 is: 76,938,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,180,003.20 : 112,770,004.80 = 51,292,131.20 : x
  2. Step 2: Convert to fraction form
    75,180,003.20/112,770,004.80 = 51,292,131.20/x
  3. Step 3: Cross multiply
    75,180,003.20x = 112,770,004.80 × 51,292,131.20
  4. Step 4: Simplify right side
    75,180,003.20x = 5,784,213,881,626,230
  5. Step 5: Solve for x
    x = 5,784,213,881,626,230/75,180,003.20
  6. Step 6: Final answer
    x = 76,938,196.80

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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.