Home / 125,512,223.63-188,160,509.32-43,620,462.43

Finding the Fourth Proportional to 125,512,223.63, 188,160,509.32 and 43,620,462.43

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Solution

The fourth proportional to 125,512,223.63, 188,160,509.32 and 43,620,462.43 is: 65,393,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,512,223.63 : 188,160,509.32 = 43,620,462.43 : x
  2. Step 2: Convert to fraction form
    125,512,223.63/188,160,509.32 = 43,620,462.43/x
  3. Step 3: Cross multiply
    125,512,223.63x = 188,160,509.32 × 43,620,462.43
  4. Step 4: Simplify right side
    125,512,223.63x = 8,207,648,427,023,273
  5. Step 5: Solve for x
    x = 8,207,648,427,023,273/125,512,223.63
  6. Step 6: Final answer
    x = 65,393,219.80

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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.