Home / 131,164,197.48-181,022,551.38-76,160,052.36

Finding the Fourth Proportional to 131,164,197.48, 181,022,551.38 and 76,160,052.36

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Solution

The fourth proportional to 131,164,197.48, 181,022,551.38 and 76,160,052.36 is: 105,110,138.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,164,197.48 : 181,022,551.38 = 76,160,052.36 : x
  2. Step 2: Convert to fraction form
    131,164,197.48/181,022,551.38 = 76,160,052.36/x
  3. Step 3: Cross multiply
    131,164,197.48x = 181,022,551.38 × 76,160,052.36
  4. Step 4: Simplify right side
    131,164,197.48x = 13,786,686,991,441,590
  5. Step 5: Solve for x
    x = 13,786,686,991,441,590/131,164,197.48
  6. Step 6: Final answer
    x = 105,110,138.71

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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.