Home / 111,923,966-167,681,343-81,142,310.48

Finding the Fourth Proportional to 111,923,966, 167,681,343 and 81,142,310.48

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Solution

The fourth proportional to 111,923,966, 167,681,343 and 81,142,310.48 is: 121,565,131.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,923,966 : 167,681,343 = 81,142,310.48 : x
  2. Step 2: Convert to fraction form
    111,923,966/167,681,343 = 81,142,310.48/x
  3. Step 3: Cross multiply
    111,923,966x = 167,681,343 × 81,142,310.48
  4. Step 4: Simplify right side
    111,923,966x = 13,606,051,595,409,376
  5. Step 5: Solve for x
    x = 13,606,051,595,409,376/111,923,966
  6. Step 6: Final answer
    x = 121,565,131.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.