Home / 230,198,574.80-345,297,862.20-211,386,875.60

Finding the Fourth Proportional to 230,198,574.80, 345,297,862.20 and 211,386,875.60

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Solution

The fourth proportional to 230,198,574.80, 345,297,862.20 and 211,386,875.60 is: 317,080,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,198,574.80 : 345,297,862.20 = 211,386,875.60 : x
  2. Step 2: Convert to fraction form
    230,198,574.80/345,297,862.20 = 211,386,875.60/x
  3. Step 3: Cross multiply
    230,198,574.80x = 345,297,862.20 × 211,386,875.60
  4. Step 4: Simplify right side
    230,198,574.80x = 72,991,436,241,817,344
  5. Step 5: Solve for x
    x = 72,991,436,241,817,344/230,198,574.80
  6. Step 6: Final answer
    x = 317,080,313.40

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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.