Home / 75,180,004.70-112,770,007.05-51,292,132.70

Finding the Fourth Proportional to 75,180,004.70, 112,770,007.05 and 51,292,132.70

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Solution

The fourth proportional to 75,180,004.70, 112,770,007.05 and 51,292,132.70 is: 76,938,199.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,180,004.70 : 112,770,007.05 = 51,292,132.70 : x
  2. Step 2: Convert to fraction form
    75,180,004.70/112,770,007.05 = 51,292,132.70/x
  3. Step 3: Cross multiply
    75,180,004.70x = 112,770,007.05 × 51,292,132.70
  4. Step 4: Simplify right side
    75,180,004.70x = 5,784,214,166,188,536
  5. Step 5: Solve for x
    x = 5,784,214,166,188,536/75,180,004.70
  6. Step 6: Final answer
    x = 76,938,199.05

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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.