Home / 279,936,217.60-419,904,326.40-98,117,785.60

Finding the Fourth Proportional to 279,936,217.60, 419,904,326.40 and 98,117,785.60

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Solution

The fourth proportional to 279,936,217.60, 419,904,326.40 and 98,117,785.60 is: 147,176,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,217.60 : 419,904,326.40 = 98,117,785.60 : x
  2. Step 2: Convert to fraction form
    279,936,217.60/419,904,326.40 = 98,117,785.60/x
  3. Step 3: Cross multiply
    279,936,217.60x = 419,904,326.40 × 98,117,785.60
  4. Step 4: Simplify right side
    279,936,217.60x = 41,200,082,670,227,616
  5. Step 5: Solve for x
    x = 41,200,082,670,227,616/279,936,217.60
  6. Step 6: Final answer
    x = 147,176,678.40

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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.