Home / 115,202,849.67-172,804,440.83-47,045,541.42

Finding the Fourth Proportional to 115,202,849.67, 172,804,440.83 and 47,045,541.42

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Solution

The fourth proportional to 115,202,849.67, 172,804,440.83 and 47,045,541.42 is: 70,568,380.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,202,849.67 : 172,804,440.83 = 47,045,541.42 : x
  2. Step 2: Convert to fraction form
    115,202,849.67/172,804,440.83 = 47,045,541.42/x
  3. Step 3: Cross multiply
    115,202,849.67x = 172,804,440.83 × 47,045,541.42
  4. Step 4: Simplify right side
    115,202,849.67x = 8,129,678,478,392,476
  5. Step 5: Solve for x
    x = 8,129,678,478,392,476/115,202,849.67
  6. Step 6: Final answer
    x = 70,568,380.05

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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.