Home / 193,987,299.28-291,109,465.59-106,609,836.76

Finding the Fourth Proportional to 193,987,299.28, 291,109,465.59 and 106,609,836.76

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Solution

The fourth proportional to 193,987,299.28, 291,109,465.59 and 106,609,836.76 is: 159,985,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,987,299.28 : 291,109,465.59 = 106,609,836.76 : x
  2. Step 2: Convert to fraction form
    193,987,299.28/291,109,465.59 = 106,609,836.76/x
  3. Step 3: Cross multiply
    193,987,299.28x = 291,109,465.59 × 106,609,836.76
  4. Step 4: Simplify right side
    193,987,299.28x = 31,035,132,605,840,736
  5. Step 5: Solve for x
    x = 31,035,132,605,840,736/193,987,299.28
  6. Step 6: Final answer
    x = 159,985,384.20

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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.