Home / 68,736,985.60-103,103,145.60-17,619,505.60

Finding the Fourth Proportional to 68,736,985.60, 103,103,145.60 and 17,619,505.60

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Solution

The fourth proportional to 68,736,985.60, 103,103,145.60 and 17,619,505.60 is: 26,428,660.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,736,985.60 : 103,103,145.60 = 17,619,505.60 : x
  2. Step 2: Convert to fraction form
    68,736,985.60/103,103,145.60 = 17,619,505.60/x
  3. Step 3: Cross multiply
    68,736,985.60x = 103,103,145.60 × 17,619,505.60
  4. Step 4: Simplify right side
    68,736,985.60x = 1,816,626,451,276,815.50
  5. Step 5: Solve for x
    x = 1,816,626,451,276,815.50/68,736,985.60
  6. Step 6: Final answer
    x = 26,428,660.43

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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.