Home / 267,588,778.91-401,264,533.13-143,061,190.07

Finding the Fourth Proportional to 267,588,778.91, 401,264,533.13 and 143,061,190.07

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Solution

The fourth proportional to 267,588,778.91, 401,264,533.13 and 143,061,190.07 is: 214,528,359.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,588,778.91 : 401,264,533.13 = 143,061,190.07 : x
  2. Step 2: Convert to fraction form
    267,588,778.91/401,264,533.13 = 143,061,190.07/x
  3. Step 3: Cross multiply
    267,588,778.91x = 401,264,533.13 × 143,061,190.07
  4. Step 4: Simplify right side
    267,588,778.91x = 57,405,381,639,739,112
  5. Step 5: Solve for x
    x = 57,405,381,639,739,112/267,588,778.91
  6. Step 6: Final answer
    x = 214,528,359.05

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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.