Home / 384,916,801.20-577,375,201.80-112,252,138.80

Finding the Fourth Proportional to 384,916,801.20, 577,375,201.80 and 112,252,138.80

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Solution

The fourth proportional to 384,916,801.20, 577,375,201.80 and 112,252,138.80 is: 168,378,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,916,801.20 : 577,375,201.80 = 112,252,138.80 : x
  2. Step 2: Convert to fraction form
    384,916,801.20/577,375,201.80 = 112,252,138.80/x
  3. Step 3: Cross multiply
    384,916,801.20x = 577,375,201.80 × 112,252,138.80
  4. Step 4: Simplify right side
    384,916,801.20x = 64,811,601,292,131,600
  5. Step 5: Solve for x
    x = 64,811,601,292,131,600/384,916,801.20
  6. Step 6: Final answer
    x = 168,378,208.20

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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.