Home / 459,245,121.80-688,870,422.96-114,198,748.80

Finding the Fourth Proportional to 459,245,121.80, 688,870,422.96 and 114,198,748.80

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Solution

The fourth proportional to 459,245,121.80, 688,870,422.96 and 114,198,748.80 is: 171,298,804.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,245,121.80 : 688,870,422.96 = 114,198,748.80 : x
  2. Step 2: Convert to fraction form
    459,245,121.80/688,870,422.96 = 114,198,748.80/x
  3. Step 3: Cross multiply
    459,245,121.80x = 688,870,422.96 × 114,198,748.80
  4. Step 4: Simplify right side
    459,245,121.80x = 78,668,140,384,347,280
  5. Step 5: Solve for x
    x = 78,668,140,384,347,280/459,245,121.80
  6. Step 6: Final answer
    x = 171,298,804.61

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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.