Home / 231,484,010.23-348,611,722.36-210,821,584.15

Finding the Fourth Proportional to 231,484,010.23, 348,611,722.36 and 210,821,584.15

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Solution

The fourth proportional to 231,484,010.23, 348,611,722.36 and 210,821,584.15 is: 317,494,394.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,484,010.23 : 348,611,722.36 = 210,821,584.15 : x
  2. Step 2: Convert to fraction form
    231,484,010.23/348,611,722.36 = 210,821,584.15/x
  3. Step 3: Cross multiply
    231,484,010.23x = 348,611,722.36 × 210,821,584.15
  4. Step 4: Simplify right side
    231,484,010.23x = 73,494,875,558,398,016
  5. Step 5: Solve for x
    x = 73,494,875,558,398,016/231,484,010.23
  6. Step 6: Final answer
    x = 317,494,394.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.