Home / 123,467,812.93-170,373,299.92-71,273,663.47

Finding the Fourth Proportional to 123,467,812.93, 170,373,299.92 and 71,273,663.47

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Solution

The fourth proportional to 123,467,812.93, 170,373,299.92 and 71,273,663.47 is: 98,350,565.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,467,812.93 : 170,373,299.92 = 71,273,663.47 : x
  2. Step 2: Convert to fraction form
    123,467,812.93/170,373,299.92 = 71,273,663.47/x
  3. Step 3: Cross multiply
    123,467,812.93x = 170,373,299.92 × 71,273,663.47
  4. Step 4: Simplify right side
    123,467,812.93x = 12,143,129,242,771,456
  5. Step 5: Solve for x
    x = 12,143,129,242,771,456/123,467,812.93
  6. Step 6: Final answer
    x = 98,350,565.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.