Home / 131,164,183.98-181,022,532.75-76,160,038.86

Finding the Fourth Proportional to 131,164,183.98, 181,022,532.75 and 76,160,038.86

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Solution

The fourth proportional to 131,164,183.98, 181,022,532.75 and 76,160,038.86 is: 105,110,120.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,164,183.98 : 181,022,532.75 = 76,160,038.86 : x
  2. Step 2: Convert to fraction form
    131,164,183.98/181,022,532.75 = 76,160,038.86/x
  3. Step 3: Cross multiply
    131,164,183.98x = 181,022,532.75 × 76,160,038.86
  4. Step 4: Simplify right side
    131,164,183.98x = 13,786,683,128,775,622
  5. Step 5: Solve for x
    x = 13,786,683,128,775,622/131,164,183.98
  6. Step 6: Final answer
    x = 105,110,120.08

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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.