Home / 51,910,133.64-71,636,448.58-28,706,821.80

Finding the Fourth Proportional to 51,910,133.64, 71,636,448.58 and 28,706,821.80

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Solution

The fourth proportional to 51,910,133.64, 71,636,448.58 and 28,706,821.80 is: 39,615,670.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,910,133.64 : 71,636,448.58 = 28,706,821.80 : x
  2. Step 2: Convert to fraction form
    51,910,133.64/71,636,448.58 = 28,706,821.80/x
  3. Step 3: Cross multiply
    51,910,133.64x = 71,636,448.58 × 28,706,821.80
  4. Step 4: Simplify right side
    51,910,133.64x = 2,056,454,763,770,923
  5. Step 5: Solve for x
    x = 2,056,454,763,770,923/51,910,133.64
  6. Step 6: Final answer
    x = 39,615,670.77

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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.