Home / 141,993,680.40-212,990,520.60-126,688,179.60

Finding the Fourth Proportional to 141,993,680.40, 212,990,520.60 and 126,688,179.60

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Solution

The fourth proportional to 141,993,680.40, 212,990,520.60 and 126,688,179.60 is: 190,032,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,993,680.40 : 212,990,520.60 = 126,688,179.60 : x
  2. Step 2: Convert to fraction form
    141,993,680.40/212,990,520.60 = 126,688,179.60/x
  3. Step 3: Cross multiply
    141,993,680.40x = 212,990,520.60 × 126,688,179.60
  4. Step 4: Simplify right side
    141,993,680.40x = 26,983,381,326,870,296
  5. Step 5: Solve for x
    x = 26,983,381,326,870,296/141,993,680.40
  6. Step 6: Final answer
    x = 190,032,269.40

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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.