Home / 189,439,404.48-261,426,273.12-106,933,901.76

Finding the Fourth Proportional to 189,439,404.48, 261,426,273.12 and 106,933,901.76

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Solution

The fourth proportional to 189,439,404.48, 261,426,273.12 and 106,933,901.76 is: 147,568,725.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,439,404.48 : 261,426,273.12 = 106,933,901.76 : x
  2. Step 2: Convert to fraction form
    189,439,404.48/261,426,273.12 = 106,933,901.76/x
  3. Step 3: Cross multiply
    189,439,404.48x = 261,426,273.12 × 106,933,901.76
  4. Step 4: Simplify right side
    189,439,404.48x = 27,955,331,407,297,012
  5. Step 5: Solve for x
    x = 27,955,331,407,297,012/189,439,404.48
  6. Step 6: Final answer
    x = 147,568,725.12

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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.