Home / 115,343,785.43-173,016,127.01-27,905,162.11

Finding the Fourth Proportional to 115,343,785.43, 173,016,127.01 and 27,905,162.11

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Solution

The fourth proportional to 115,343,785.43, 173,016,127.01 and 27,905,162.11 is: 41,857,851.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,343,785.43 : 173,016,127.01 = 27,905,162.11 : x
  2. Step 2: Convert to fraction form
    115,343,785.43/173,016,127.01 = 27,905,162.11/x
  3. Step 3: Cross multiply
    115,343,785.43x = 173,016,127.01 × 27,905,162.11
  4. Step 4: Simplify right side
    115,343,785.43x = 4,828,043,071,858,399
  5. Step 5: Solve for x
    x = 4,828,043,071,858,399/115,343,785.43
  6. Step 6: Final answer
    x = 41,857,851.76

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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.