Home / 69,936,021.60-104,904,032.40-68,592,328.80

Finding the Fourth Proportional to 69,936,021.60, 104,904,032.40 and 68,592,328.80

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Solution

The fourth proportional to 69,936,021.60, 104,904,032.40 and 68,592,328.80 is: 102,888,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,936,021.60 : 104,904,032.40 = 68,592,328.80 : x
  2. Step 2: Convert to fraction form
    69,936,021.60/104,904,032.40 = 68,592,328.80/x
  3. Step 3: Cross multiply
    69,936,021.60x = 104,904,032.40 × 68,592,328.80
  4. Step 4: Simplify right side
    69,936,021.60x = 7,195,611,882,826,653
  5. Step 5: Solve for x
    x = 7,195,611,882,826,653/69,936,021.60
  6. Step 6: Final answer
    x = 102,888,493.20

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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.