Home / 217,064,672.70-325,597,009.05-130,971,230.70

Finding the Fourth Proportional to 217,064,672.70, 325,597,009.05 and 130,971,230.70

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Solution

The fourth proportional to 217,064,672.70, 325,597,009.05 and 130,971,230.70 is: 196,456,846.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,064,672.70 : 325,597,009.05 = 130,971,230.70 : x
  2. Step 2: Convert to fraction form
    217,064,672.70/325,597,009.05 = 130,971,230.70/x
  3. Step 3: Cross multiply
    217,064,672.70x = 325,597,009.05 × 130,971,230.70
  4. Step 4: Simplify right side
    217,064,672.70x = 42,643,840,987,517,544
  5. Step 5: Solve for x
    x = 42,643,840,987,517,544/217,064,672.70
  6. Step 6: Final answer
    x = 196,456,846.05

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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.