Home / 195,515,412.40-293,438,455.80-80,582,438.80

Finding the Fourth Proportional to 195,515,412.40, 293,438,455.80 and 80,582,438.80

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Solution

The fourth proportional to 195,515,412.40, 293,438,455.80 and 80,582,438.80 is: 120,941,802.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,515,412.40 : 293,438,455.80 = 80,582,438.80 : x
  2. Step 2: Convert to fraction form
    195,515,412.40/293,438,455.80 = 80,582,438.80/x
  3. Step 3: Cross multiply
    195,515,412.40x = 293,438,455.80 × 80,582,438.80
  4. Step 4: Simplify right side
    195,515,412.40x = 23,645,986,406,070,004
  5. Step 5: Solve for x
    x = 23,645,986,406,070,004/195,515,412.40
  6. Step 6: Final answer
    x = 120,941,802.57

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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.