Home / 69,531,975.60-104,297,963.40-69,028,090.80

Finding the Fourth Proportional to 69,531,975.60, 104,297,963.40 and 69,028,090.80

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Solution

The fourth proportional to 69,531,975.60, 104,297,963.40 and 69,028,090.80 is: 103,542,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,531,975.60 : 104,297,963.40 = 69,028,090.80 : x
  2. Step 2: Convert to fraction form
    69,531,975.60/104,297,963.40 = 69,028,090.80/x
  3. Step 3: Cross multiply
    69,531,975.60x = 104,297,963.40 × 69,028,090.80
  4. Step 4: Simplify right side
    69,531,975.60x = 7,199,489,287,830,277
  5. Step 5: Solve for x
    x = 7,199,489,287,830,277/69,531,975.60
  6. Step 6: Final answer
    x = 103,542,136.20

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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.