Home / 157,454,843.72-236,155,347.26-42,412,481.87

Finding the Fourth Proportional to 157,454,843.72, 236,155,347.26 and 42,412,481.87

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Solution

The fourth proportional to 157,454,843.72, 236,155,347.26 and 42,412,481.87 is: 63,611,472.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,454,843.72 : 236,155,347.26 = 42,412,481.87 : x
  2. Step 2: Convert to fraction form
    157,454,843.72/236,155,347.26 = 42,412,481.87/x
  3. Step 3: Cross multiply
    157,454,843.72x = 236,155,347.26 × 42,412,481.87
  4. Step 4: Simplify right side
    157,454,843.72x = 10,015,934,383,956,240
  5. Step 5: Solve for x
    x = 10,015,934,383,956,240/157,454,843.72
  6. Step 6: Final answer
    x = 63,611,472.01

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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.