Home / 147,159,354.64-203,086,174.44-81,969,287.44

Finding the Fourth Proportional to 147,159,354.64, 203,086,174.44 and 81,969,287.44

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Solution

The fourth proportional to 147,159,354.64, 203,086,174.44 and 81,969,287.44 is: 113,121,106.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,159,354.64 : 203,086,174.44 = 81,969,287.44 : x
  2. Step 2: Convert to fraction form
    147,159,354.64/203,086,174.44 = 81,969,287.44/x
  3. Step 3: Cross multiply
    147,159,354.64x = 203,086,174.44 × 81,969,287.44
  4. Step 4: Simplify right side
    147,159,354.64x = 16,646,829,007,762,340
  5. Step 5: Solve for x
    x = 16,646,829,007,762,340/147,159,354.64
  6. Step 6: Final answer
    x = 113,121,106.36

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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.