Home / 148,023,279.85-204,208,004.37-89,253,295.59

Finding the Fourth Proportional to 148,023,279.85, 204,208,004.37 and 89,253,295.59

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Solution

The fourth proportional to 148,023,279.85, 204,208,004.37 and 89,253,295.59 is: 123,130,884.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,023,279.85 : 204,208,004.37 = 89,253,295.59 : x
  2. Step 2: Convert to fraction form
    148,023,279.85/204,208,004.37 = 89,253,295.59/x
  3. Step 3: Cross multiply
    148,023,279.85x = 204,208,004.37 × 89,253,295.59
  4. Step 4: Simplify right side
    148,023,279.85x = 18,226,237,375,831,432
  5. Step 5: Solve for x
    x = 18,226,237,375,831,432/148,023,279.85
  6. Step 6: Final answer
    x = 123,130,884.51

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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.