Home / 133,873,686.42-199,909,022.15-109,330,301.49

Finding the Fourth Proportional to 133,873,686.42, 199,909,022.15 and 109,330,301.49

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Solution

The fourth proportional to 133,873,686.42, 199,909,022.15 and 109,330,301.49 is: 163,259,220.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,873,686.42 : 199,909,022.15 = 109,330,301.49 : x
  2. Step 2: Convert to fraction form
    133,873,686.42/199,909,022.15 = 109,330,301.49/x
  3. Step 3: Cross multiply
    133,873,686.42x = 199,909,022.15 × 109,330,301.49
  4. Step 4: Simplify right side
    133,873,686.42x = 21,856,113,661,683,936
  5. Step 5: Solve for x
    x = 21,856,113,661,683,936/133,873,686.42
  6. Step 6: Final answer
    x = 163,259,220.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.