Home / 103,509,664.20-155,132,620.20-55,010,752.20

Finding the Fourth Proportional to 103,509,664.20, 155,132,620.20 and 55,010,752.20

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Solution

The fourth proportional to 103,509,664.20, 155,132,620.20 and 55,010,752.20 is: 82,446,042.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,509,664.20 : 155,132,620.20 = 55,010,752.20 : x
  2. Step 2: Convert to fraction form
    103,509,664.20/155,132,620.20 = 55,010,752.20/x
  3. Step 3: Cross multiply
    103,509,664.20x = 155,132,620.20 × 55,010,752.20
  4. Step 4: Simplify right side
    103,509,664.20x = 8,533,962,127,958,914
  5. Step 5: Solve for x
    x = 8,533,962,127,958,914/103,509,664.20
  6. Step 6: Final answer
    x = 82,446,042.06

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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.