Home / 406,945,115.20-610,454,997.60-134,316,481.60

Finding the Fourth Proportional to 406,945,115.20, 610,454,997.60 and 134,316,481.60

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Solution

The fourth proportional to 406,945,115.20, 610,454,997.60 and 134,316,481.60 is: 201,487,041.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,945,115.20 : 610,454,997.60 = 134,316,481.60 : x
  2. Step 2: Convert to fraction form
    406,945,115.20/610,454,997.60 = 134,316,481.60/x
  3. Step 3: Cross multiply
    406,945,115.20x = 610,454,997.60 × 134,316,481.60
  4. Step 4: Simplify right side
    406,945,115.20x = 81,994,167,452,768,448
  5. Step 5: Solve for x
    x = 81,994,167,452,768,448/406,945,115.20
  6. Step 6: Final answer
    x = 201,487,041.84

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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.