Home / 217,290,139.56-325,935,297.72-53,531,081.64

Finding the Fourth Proportional to 217,290,139.56, 325,935,297.72 and 53,531,081.64

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Solution

The fourth proportional to 217,290,139.56, 325,935,297.72 and 53,531,081.64 is: 80,296,644.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,290,139.56 : 325,935,297.72 = 53,531,081.64 : x
  2. Step 2: Convert to fraction form
    217,290,139.56/325,935,297.72 = 53,531,081.64/x
  3. Step 3: Cross multiply
    217,290,139.56x = 325,935,297.72 × 53,531,081.64
  4. Step 4: Simplify right side
    217,290,139.56x = 17,447,669,031,607,028
  5. Step 5: Solve for x
    x = 17,447,669,031,607,028/217,290,139.56
  6. Step 6: Final answer
    x = 80,296,644.23

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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.