Home / 106,179,391.78-146,449,331.13-80,075,009.86

Finding the Fourth Proportional to 106,179,391.78, 146,449,331.13 and 80,075,009.86

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Solution

The fourth proportional to 106,179,391.78, 146,449,331.13 and 80,075,009.86 is: 110,444,516.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,179,391.78 : 146,449,331.13 = 80,075,009.86 : x
  2. Step 2: Convert to fraction form
    106,179,391.78/146,449,331.13 = 80,075,009.86/x
  3. Step 3: Cross multiply
    106,179,391.78x = 146,449,331.13 × 80,075,009.86
  4. Step 4: Simplify right side
    106,179,391.78x = 11,726,931,634,225,154
  5. Step 5: Solve for x
    x = 11,726,931,634,225,154/106,179,391.78
  6. Step 6: Final answer
    x = 110,444,516.94

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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.