Home / 165,279,856.70-247,919,785.05-155,202,160.70

Finding the Fourth Proportional to 165,279,856.70, 247,919,785.05 and 155,202,160.70

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Solution

The fourth proportional to 165,279,856.70, 247,919,785.05 and 155,202,160.70 is: 232,803,241.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,279,856.70 : 247,919,785.05 = 155,202,160.70 : x
  2. Step 2: Convert to fraction form
    165,279,856.70/247,919,785.05 = 155,202,160.70/x
  3. Step 3: Cross multiply
    165,279,856.70x = 247,919,785.05 × 155,202,160.70
  4. Step 4: Simplify right side
    165,279,856.70x = 38,477,686,320,039,560
  5. Step 5: Solve for x
    x = 38,477,686,320,039,560/165,279,856.70
  6. Step 6: Final answer
    x = 232,803,241.05

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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.