Home / 106,830,400.80-160,245,601.20-69,842,107.20

Finding the Fourth Proportional to 106,830,400.80, 160,245,601.20 and 69,842,107.20

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Solution

The fourth proportional to 106,830,400.80, 160,245,601.20 and 69,842,107.20 is: 104,763,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,830,400.80 : 160,245,601.20 = 69,842,107.20 : x
  2. Step 2: Convert to fraction form
    106,830,400.80/160,245,601.20 = 69,842,107.20/x
  3. Step 3: Cross multiply
    106,830,400.80x = 160,245,601.20 × 69,842,107.20
  4. Step 4: Simplify right side
    106,830,400.80x = 11,191,890,457,338,848
  5. Step 5: Solve for x
    x = 11,191,890,457,338,848/106,830,400.80
  6. Step 6: Final answer
    x = 104,763,160.80

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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.