Home / 276,876,386.60-415,314,579.90-115,297,327.40

Finding the Fourth Proportional to 276,876,386.60, 415,314,579.90 and 115,297,327.40

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Solution

The fourth proportional to 276,876,386.60, 415,314,579.90 and 115,297,327.40 is: 172,945,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,876,386.60 : 415,314,579.90 = 115,297,327.40 : x
  2. Step 2: Convert to fraction form
    276,876,386.60/415,314,579.90 = 115,297,327.40/x
  3. Step 3: Cross multiply
    276,876,386.60x = 415,314,579.90 × 115,297,327.40
  4. Step 4: Simplify right side
    276,876,386.60x = 47,884,661,092,723,760
  5. Step 5: Solve for x
    x = 47,884,661,092,723,760/276,876,386.60
  6. Step 6: Final answer
    x = 172,945,991.10

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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.