Home / 228,014,120.39-342,021,216.13-55,490,933.21

Finding the Fourth Proportional to 228,014,120.39, 342,021,216.13 and 55,490,933.21

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Solution

The fourth proportional to 228,014,120.39, 342,021,216.13 and 55,490,933.21 is: 83,236,408.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,014,120.39 : 342,021,216.13 = 55,490,933.21 : x
  2. Step 2: Convert to fraction form
    228,014,120.39/342,021,216.13 = 55,490,933.21/x
  3. Step 3: Cross multiply
    228,014,120.39x = 342,021,216.13 × 55,490,933.21
  4. Step 4: Simplify right side
    228,014,120.39x = 18,979,076,458,823,972
  5. Step 5: Solve for x
    x = 18,979,076,458,823,972/228,014,120.39
  6. Step 6: Final answer
    x = 83,236,408.46

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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.