Home / 133,873,686.56-199,909,022.34-109,330,301.64

Finding the Fourth Proportional to 133,873,686.56, 199,909,022.34 and 109,330,301.64

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Solution

The fourth proportional to 133,873,686.56, 199,909,022.34 and 109,330,301.64 is: 163,259,220.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,873,686.56 : 199,909,022.34 = 109,330,301.64 : x
  2. Step 2: Convert to fraction form
    133,873,686.56/199,909,022.34 = 109,330,301.64/x
  3. Step 3: Cross multiply
    133,873,686.56x = 199,909,022.34 × 109,330,301.64
  4. Step 4: Simplify right side
    133,873,686.56x = 21,856,113,712,989,700
  5. Step 5: Solve for x
    x = 21,856,113,712,989,700/133,873,686.56
  6. Step 6: Final answer
    x = 163,259,220.50

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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.