Home / 217,474,071.37-325,780,637.80-190,211,148.07

Finding the Fourth Proportional to 217,474,071.37, 325,780,637.80 and 190,211,148.07

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Solution

The fourth proportional to 217,474,071.37, 325,780,637.80 and 190,211,148.07 is: 284,940,217.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,474,071.37 : 325,780,637.80 = 190,211,148.07 : x
  2. Step 2: Convert to fraction form
    217,474,071.37/325,780,637.80 = 190,211,148.07/x
  3. Step 3: Cross multiply
    217,474,071.37x = 325,780,637.80 × 190,211,148.07
  4. Step 4: Simplify right side
    217,474,071.37x = 61,967,109,134,914,840
  5. Step 5: Solve for x
    x = 61,967,109,134,914,840/217,474,071.37
  6. Step 6: Final answer
    x = 284,940,217.22

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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.