Home / 113,328,965.20-169,993,447.80-36,659,743.60

Finding the Fourth Proportional to 113,328,965.20, 169,993,447.80 and 36,659,743.60

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Solution

The fourth proportional to 113,328,965.20, 169,993,447.80 and 36,659,743.60 is: 54,989,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,328,965.20 : 169,993,447.80 = 36,659,743.60 : x
  2. Step 2: Convert to fraction form
    113,328,965.20/169,993,447.80 = 36,659,743.60/x
  3. Step 3: Cross multiply
    113,328,965.20x = 169,993,447.80 × 36,659,743.60
  4. Step 4: Simplify right side
    113,328,965.20x = 6,231,916,210,027,985
  5. Step 5: Solve for x
    x = 6,231,916,210,027,985/113,328,965.20
  6. Step 6: Final answer
    x = 54,989,615.40

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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.