Home / 166,524,731.37-229,806,851.09-91,169,802.81

Finding the Fourth Proportional to 166,524,731.37, 229,806,851.09 and 91,169,802.81

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Solution

The fourth proportional to 166,524,731.37, 229,806,851.09 and 91,169,802.81 is: 125,815,818.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,524,731.37 : 229,806,851.09 = 91,169,802.81 : x
  2. Step 2: Convert to fraction form
    166,524,731.37/229,806,851.09 = 91,169,802.81/x
  3. Step 3: Cross multiply
    166,524,731.37x = 229,806,851.09 × 91,169,802.81
  4. Step 4: Simplify right side
    166,524,731.37x = 20,951,445,297,806,484
  5. Step 5: Solve for x
    x = 20,951,445,297,806,484/166,524,731.37
  6. Step 6: Final answer
    x = 125,815,818.02

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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.