Home / 106,179,391.28-146,449,330.44-80,075,009.36

Finding the Fourth Proportional to 106,179,391.28, 146,449,330.44 and 80,075,009.36

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Solution

The fourth proportional to 106,179,391.28, 146,449,330.44 and 80,075,009.36 is: 110,444,516.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,179,391.28 : 146,449,330.44 = 80,075,009.36 : x
  2. Step 2: Convert to fraction form
    106,179,391.28/146,449,330.44 = 80,075,009.36/x
  3. Step 3: Cross multiply
    106,179,391.28x = 146,449,330.44 × 80,075,009.36
  4. Step 4: Simplify right side
    106,179,391.28x = 11,726,931,505,748,732
  5. Step 5: Solve for x
    x = 11,726,931,505,748,732/106,179,391.28
  6. Step 6: Final answer
    x = 110,444,516.25

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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.