Home / 321,368,299.04-443,077,683.18-208,137,725.12

Finding the Fourth Proportional to 321,368,299.04, 443,077,683.18 and 208,137,725.12

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Solution

The fourth proportional to 321,368,299.04, 443,077,683.18 and 208,137,725.12 is: 286,964,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,368,299.04 : 443,077,683.18 = 208,137,725.12 : x
  2. Step 2: Convert to fraction form
    321,368,299.04/443,077,683.18 = 208,137,725.12/x
  3. Step 3: Cross multiply
    321,368,299.04x = 443,077,683.18 × 208,137,725.12
  4. Step 4: Simplify right side
    321,368,299.04x = 92,221,181,028,525,296
  5. Step 5: Solve for x
    x = 92,221,181,028,525,296/321,368,299.04
  6. Step 6: Final answer
    x = 286,964,150.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.