Home / 68,759,078.64-103,150,368.36-28,347,471.60

Finding the Fourth Proportional to 68,759,078.64, 103,150,368.36 and 28,347,471.60

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Solution

The fourth proportional to 68,759,078.64, 103,150,368.36 and 28,347,471.60 is: 42,526,051.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,759,078.64 : 103,150,368.36 = 28,347,471.60 : x
  2. Step 2: Convert to fraction form
    68,759,078.64/103,150,368.36 = 28,347,471.60/x
  3. Step 3: Cross multiply
    68,759,078.64x = 103,150,368.36 × 28,347,471.60
  4. Step 4: Simplify right side
    68,759,078.64x = 2,924,052,137,614,638.50
  5. Step 5: Solve for x
    x = 2,924,052,137,614,638.50/68,759,078.64
  6. Step 6: Final answer
    x = 42,526,051.77

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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.