Home / 311,623,702.28-430,027,790.04-170,494,230.32

Finding the Fourth Proportional to 311,623,702.28, 430,027,790.04 and 170,494,230.32

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Solution

The fourth proportional to 311,623,702.28, 430,027,790.04 and 170,494,230.32 is: 235,274,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,623,702.28 : 430,027,790.04 = 170,494,230.32 : x
  2. Step 2: Convert to fraction form
    311,623,702.28/430,027,790.04 = 170,494,230.32/x
  3. Step 3: Cross multiply
    311,623,702.28x = 430,027,790.04 × 170,494,230.32
  4. Step 4: Simplify right side
    311,623,702.28x = 73,317,257,079,080,368
  5. Step 5: Solve for x
    x = 73,317,257,079,080,368/311,623,702.28
  6. Step 6: Final answer
    x = 235,274,969.60

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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.