Home / 193,306,051.40-289,959,077.10-107,309,712.20

Finding the Fourth Proportional to 193,306,051.40, 289,959,077.10 and 107,309,712.20

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Solution

The fourth proportional to 193,306,051.40, 289,959,077.10 and 107,309,712.20 is: 160,964,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,306,051.40 : 289,959,077.10 = 107,309,712.20 : x
  2. Step 2: Convert to fraction form
    193,306,051.40/289,959,077.10 = 107,309,712.20/x
  3. Step 3: Cross multiply
    193,306,051.40x = 289,959,077.10 × 107,309,712.20
  4. Step 4: Simplify right side
    193,306,051.40x = 31,115,425,113,378,616
  5. Step 5: Solve for x
    x = 31,115,425,113,378,616/193,306,051.40
  6. Step 6: Final answer
    x = 160,964,568.30

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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.