Home / 317,288,830.62-437,554,292.67-204,142,841.22

Finding the Fourth Proportional to 317,288,830.62, 437,554,292.67 and 204,142,841.22

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Solution

The fourth proportional to 317,288,830.62, 437,554,292.67 and 204,142,841.22 is: 281,521,339.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,288,830.62 : 437,554,292.67 = 204,142,841.22 : x
  2. Step 2: Convert to fraction form
    317,288,830.62/437,554,292.67 = 204,142,841.22/x
  3. Step 3: Cross multiply
    317,288,830.62x = 437,554,292.67 × 204,142,841.22
  4. Step 4: Simplify right side
    317,288,830.62x = 89,323,576,493,661,216
  5. Step 5: Solve for x
    x = 89,323,576,493,661,216/317,288,830.62
  6. Step 6: Final answer
    x = 281,521,339.15

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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.