Home / 69,964,003.80-104,946,005.70-67,129,651.80

Finding the Fourth Proportional to 69,964,003.80, 104,946,005.70 and 67,129,651.80

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Solution

The fourth proportional to 69,964,003.80, 104,946,005.70 and 67,129,651.80 is: 100,694,477.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,964,003.80 : 104,946,005.70 = 67,129,651.80 : x
  2. Step 2: Convert to fraction form
    69,964,003.80/104,946,005.70 = 67,129,651.80/x
  3. Step 3: Cross multiply
    69,964,003.80x = 104,946,005.70 × 67,129,651.80
  4. Step 4: Simplify right side
    69,964,003.80x = 7,044,988,820,441,815
  5. Step 5: Solve for x
    x = 7,044,988,820,441,815/69,964,003.80
  6. Step 6: Final answer
    x = 100,694,477.70

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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.