Home / 260,629,954.56-390,944,588.40-66,541,402.80

Finding the Fourth Proportional to 260,629,954.56, 390,944,588.40 and 66,541,402.80

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Solution

The fourth proportional to 260,629,954.56, 390,944,588.40 and 66,541,402.80 is: 99,812,016.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,629,954.56 : 390,944,588.40 = 66,541,402.80 : x
  2. Step 2: Convert to fraction form
    260,629,954.56/390,944,588.40 = 66,541,402.80/x
  3. Step 3: Cross multiply
    260,629,954.56x = 390,944,588.40 × 66,541,402.80
  4. Step 4: Simplify right side
    260,629,954.56x = 26,014,001,329,204,604
  5. Step 5: Solve for x
    x = 26,014,001,329,204,604/260,629,954.56
  6. Step 6: Final answer
    x = 99,812,016.52

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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.