Home / 68,448,021.20-102,622,265.40-28,037,704.40

Finding the Fourth Proportional to 68,448,021.20, 102,622,265.40 and 28,037,704.40

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Solution

The fourth proportional to 68,448,021.20, 102,622,265.40 and 28,037,704.40 is: 42,036,171.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,448,021.20 : 102,622,265.40 = 28,037,704.40 : x
  2. Step 2: Convert to fraction form
    68,448,021.20/102,622,265.40 = 28,037,704.40/x
  3. Step 3: Cross multiply
    68,448,021.20x = 102,622,265.40 × 28,037,704.40
  4. Step 4: Simplify right side
    68,448,021.20x = 2,877,292,742,143,548
  5. Step 5: Solve for x
    x = 2,877,292,742,143,548/68,448,021.20
  6. Step 6: Final answer
    x = 42,036,171.27

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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.