Home / 114,142,383.72-171,211,571.78-79,095,178.44

Finding the Fourth Proportional to 114,142,383.72, 171,211,571.78 and 79,095,178.44

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Solution

The fourth proportional to 114,142,383.72, 171,211,571.78 and 79,095,178.44 is: 118,641,379.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,142,383.72 : 171,211,571.78 = 79,095,178.44 : x
  2. Step 2: Convert to fraction form
    114,142,383.72/171,211,571.78 = 79,095,178.44/x
  3. Step 3: Cross multiply
    114,142,383.72x = 171,211,571.78 × 79,095,178.44
  4. Step 4: Simplify right side
    114,142,383.72x = 13,542,009,820,536,492
  5. Step 5: Solve for x
    x = 13,542,009,820,536,492/114,142,383.72
  6. Step 6: Final answer
    x = 118,641,379.12

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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.