Home / 276,876,387.60-415,314,581.40-115,297,328.40

Finding the Fourth Proportional to 276,876,387.60, 415,314,581.40 and 115,297,328.40

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Solution

The fourth proportional to 276,876,387.60, 415,314,581.40 and 115,297,328.40 is: 172,945,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,876,387.60 : 415,314,581.40 = 115,297,328.40 : x
  2. Step 2: Convert to fraction form
    276,876,387.60/415,314,581.40 = 115,297,328.40/x
  3. Step 3: Cross multiply
    276,876,387.60x = 415,314,581.40 × 115,297,328.40
  4. Step 4: Simplify right side
    276,876,387.60x = 47,884,661,680,984,328
  5. Step 5: Solve for x
    x = 47,884,661,680,984,328/276,876,387.60
  6. Step 6: Final answer
    x = 172,945,992.60

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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.