Home / 217,052,425.20-325,578,637.80-130,958,983.20

Finding the Fourth Proportional to 217,052,425.20, 325,578,637.80 and 130,958,983.20

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Solution

The fourth proportional to 217,052,425.20, 325,578,637.80 and 130,958,983.20 is: 196,438,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,052,425.20 : 325,578,637.80 = 130,958,983.20 : x
  2. Step 2: Convert to fraction form
    217,052,425.20/325,578,637.80 = 130,958,983.20/x
  3. Step 3: Cross multiply
    217,052,425.20x = 325,578,637.80 × 130,958,983.20
  4. Step 4: Simplify right side
    217,052,425.20x = 42,637,447,357,929,088
  5. Step 5: Solve for x
    x = 42,637,447,357,929,088/217,052,425.20
  6. Step 6: Final answer
    x = 196,438,474.80

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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.