Home / 193,128,376.10-289,692,564.15-91,091,704.10

Finding the Fourth Proportional to 193,128,376.10, 289,692,564.15 and 91,091,704.10

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Solution

The fourth proportional to 193,128,376.10, 289,692,564.15 and 91,091,704.10 is: 136,637,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,128,376.10 : 289,692,564.15 = 91,091,704.10 : x
  2. Step 2: Convert to fraction form
    193,128,376.10/289,692,564.15 = 91,091,704.10/x
  3. Step 3: Cross multiply
    193,128,376.10x = 289,692,564.15 × 91,091,704.10
  4. Step 4: Simplify right side
    193,128,376.10x = 26,388,589,333,522,064
  5. Step 5: Solve for x
    x = 26,388,589,333,522,064/193,128,376.10
  6. Step 6: Final answer
    x = 136,637,556.15

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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.