Home / 322,029,785.07-482,987,170.40-85,680,665.10

Finding the Fourth Proportional to 322,029,785.07, 482,987,170.40 and 85,680,665.10

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Solution

The fourth proportional to 322,029,785.07, 482,987,170.40 and 85,680,665.10 is: 128,505,697.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,029,785.07 : 482,987,170.40 = 85,680,665.10 : x
  2. Step 2: Convert to fraction form
    322,029,785.07/482,987,170.40 = 85,680,665.10/x
  3. Step 3: Cross multiply
    322,029,785.07x = 482,987,170.40 × 85,680,665.10
  4. Step 4: Simplify right side
    322,029,785.07x = 41,382,661,994,210,624
  5. Step 5: Solve for x
    x = 41,382,661,994,210,624/322,029,785.07
  6. Step 6: Final answer
    x = 128,505,697.03

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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.