Home / 267,543,285.40-401,314,928.10-190,059,187.60

Finding the Fourth Proportional to 267,543,285.40, 401,314,928.10 and 190,059,187.60

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Solution

The fourth proportional to 267,543,285.40, 401,314,928.10 and 190,059,187.60 is: 285,088,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,543,285.40 : 401,314,928.10 = 190,059,187.60 : x
  2. Step 2: Convert to fraction form
    267,543,285.40/401,314,928.10 = 190,059,187.60/x
  3. Step 3: Cross multiply
    267,543,285.40x = 401,314,928.10 × 190,059,187.60
  4. Step 4: Simplify right side
    267,543,285.40x = 76,273,589,206,438,416
  5. Step 5: Solve for x
    x = 76,273,589,206,438,416/267,543,285.40
  6. Step 6: Final answer
    x = 285,088,781.40

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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.