Home / 190,597,986.24-285,788,507.04-130,087,020.48

Finding the Fourth Proportional to 190,597,986.24, 285,788,507.04 and 130,087,020.48

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Solution

The fourth proportional to 190,597,986.24, 285,788,507.04 and 130,087,020.48 is: 195,056,496.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,597,986.24 : 285,788,507.04 = 130,087,020.48 : x
  2. Step 2: Convert to fraction form
    190,597,986.24/285,788,507.04 = 130,087,020.48/x
  3. Step 3: Cross multiply
    190,597,986.24x = 285,788,507.04 × 130,087,020.48
  4. Step 4: Simplify right side
    190,597,986.24x = 37,177,375,368,261,112
  5. Step 5: Solve for x
    x = 37,177,375,368,261,112/190,597,986.24
  6. Step 6: Final answer
    x = 195,056,496.14

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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.