Home / 171,903,770.88-257,945,235.84-76,143,264

Finding the Fourth Proportional to 171,903,770.88, 257,945,235.84 and 76,143,264

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Solution

The fourth proportional to 171,903,770.88, 257,945,235.84 and 76,143,264 is: 114,254,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,903,770.88 : 257,945,235.84 = 76,143,264 : x
  2. Step 2: Convert to fraction form
    171,903,770.88/257,945,235.84 = 76,143,264/x
  3. Step 3: Cross multiply
    171,903,770.88x = 257,945,235.84 × 76,143,264
  4. Step 4: Simplify right side
    171,903,770.88x = 19,640,792,190,107,384
  5. Step 5: Solve for x
    x = 19,640,792,190,107,384/171,903,770.88
  6. Step 6: Final answer
    x = 114,254,574.46

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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.