Home / 205,790,620.90-283,991,329.42-111,704,706.74

Finding the Fourth Proportional to 205,790,620.90, 283,991,329.42 and 111,704,706.74

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Solution

The fourth proportional to 205,790,620.90, 283,991,329.42 and 111,704,706.74 is: 154,152,643.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,790,620.90 : 283,991,329.42 = 111,704,706.74 : x
  2. Step 2: Convert to fraction form
    205,790,620.90/283,991,329.42 = 111,704,706.74/x
  3. Step 3: Cross multiply
    205,790,620.90x = 283,991,329.42 × 111,704,706.74
  4. Step 4: Simplify right side
    205,790,620.90x = 31,723,168,169,563,836
  5. Step 5: Solve for x
    x = 31,723,168,169,563,836/205,790,620.90
  6. Step 6: Final answer
    x = 154,152,643.26

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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.