Home / 342,543,954.92-472,715,192.76-185,912,939.48

Finding the Fourth Proportional to 342,543,954.92, 472,715,192.76 and 185,912,939.48

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Solution

The fourth proportional to 342,543,954.92, 472,715,192.76 and 185,912,939.48 is: 256,562,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,543,954.92 : 472,715,192.76 = 185,912,939.48 : x
  2. Step 2: Convert to fraction form
    342,543,954.92/472,715,192.76 = 185,912,939.48/x
  3. Step 3: Cross multiply
    342,543,954.92x = 472,715,192.76 × 185,912,939.48
  4. Step 4: Simplify right side
    342,543,954.92x = 87,883,871,024,048,192
  5. Step 5: Solve for x
    x = 87,883,871,024,048,192/342,543,954.92
  6. Step 6: Final answer
    x = 256,562,317.80

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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.