Home / 217,065,302.20-325,597,953.30-130,971,860.20

Finding the Fourth Proportional to 217,065,302.20, 325,597,953.30 and 130,971,860.20

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Solution

The fourth proportional to 217,065,302.20, 325,597,953.30 and 130,971,860.20 is: 196,457,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,065,302.20 : 325,597,953.30 = 130,971,860.20 : x
  2. Step 2: Convert to fraction form
    217,065,302.20/325,597,953.30 = 130,971,860.20/x
  3. Step 3: Cross multiply
    217,065,302.20x = 325,597,953.30 × 130,971,860.20
  4. Step 4: Simplify right side
    217,065,302.20x = 42,644,169,621,013,728
  5. Step 5: Solve for x
    x = 42,644,169,621,013,728/217,065,302.20
  6. Step 6: Final answer
    x = 196,457,790.30

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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.