Home / 165,301,352.21-228,430,474.85-123,976,500.05

Finding the Fourth Proportional to 165,301,352.21, 228,430,474.85 and 123,976,500.05

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Solution

The fourth proportional to 165,301,352.21, 228,430,474.85 and 123,976,500.05 is: 171,323,527.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,301,352.21 : 228,430,474.85 = 123,976,500.05 : x
  2. Step 2: Convert to fraction form
    165,301,352.21/228,430,474.85 = 123,976,500.05/x
  3. Step 3: Cross multiply
    165,301,352.21x = 228,430,474.85 × 123,976,500.05
  4. Step 4: Simplify right side
    165,301,352.21x = 28,320,010,776,662,548
  5. Step 5: Solve for x
    x = 28,320,010,776,662,548/165,301,352.21
  6. Step 6: Final answer
    x = 171,323,527.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.