Home / 248,247,257.37-342,581,213.81-143,885,862.98

Finding the Fourth Proportional to 248,247,257.37, 342,581,213.81 and 143,885,862.98

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Solution

The fourth proportional to 248,247,257.37, 342,581,213.81 and 143,885,862.98 is: 198,562,490.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,247,257.37 : 342,581,213.81 = 143,885,862.98 : x
  2. Step 2: Convert to fraction form
    248,247,257.37/342,581,213.81 = 143,885,862.98/x
  3. Step 3: Cross multiply
    248,247,257.37x = 342,581,213.81 × 143,885,862.98
  4. Step 4: Simplify right side
    248,247,257.37x = 49,292,593,591,003,904
  5. Step 5: Solve for x
    x = 49,292,593,591,003,904/248,247,257.37
  6. Step 6: Final answer
    x = 198,562,490.13

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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.