Home / 114,456,786.72-157,985,930.28-90,976,986.44

Finding the Fourth Proportional to 114,456,786.72, 157,985,930.28 and 90,976,986.44

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Solution

The fourth proportional to 114,456,786.72, 157,985,930.28 and 90,976,986.44 is: 125,576,510.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,456,786.72 : 157,985,930.28 = 90,976,986.44 : x
  2. Step 2: Convert to fraction form
    114,456,786.72/157,985,930.28 = 90,976,986.44/x
  3. Step 3: Cross multiply
    114,456,786.72x = 157,985,930.28 × 90,976,986.44
  4. Step 4: Simplify right side
    114,456,786.72x = 14,373,083,836,794,346
  5. Step 5: Solve for x
    x = 14,373,083,836,794,346/114,456,786.72
  6. Step 6: Final answer
    x = 125,576,510.13

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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.