Home / 165,659,557.10-248,487,002.85-74,783,000.30

Finding the Fourth Proportional to 165,659,557.10, 248,487,002.85 and 74,783,000.30

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Solution

The fourth proportional to 165,659,557.10, 248,487,002.85 and 74,783,000.30 is: 112,173,447.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,659,557.10 : 248,487,002.85 = 74,783,000.30 : x
  2. Step 2: Convert to fraction form
    165,659,557.10/248,487,002.85 = 74,783,000.30/x
  3. Step 3: Cross multiply
    165,659,557.10x = 248,487,002.85 × 74,783,000.30
  4. Step 4: Simplify right side
    165,659,557.10x = 18,582,603,608,677,648
  5. Step 5: Solve for x
    x = 18,582,603,608,677,648/165,659,557.10
  6. Step 6: Final answer
    x = 112,173,447.36

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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.