Home / 104,195,154.28-156,315,301.26-31,405,845.64

Finding the Fourth Proportional to 104,195,154.28, 156,315,301.26 and 31,405,845.64

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Solution

The fourth proportional to 104,195,154.28, 156,315,301.26 and 31,405,845.64 is: 47,115,571.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,195,154.28 : 156,315,301.26 = 31,405,845.64 : x
  2. Step 2: Convert to fraction form
    104,195,154.28/156,315,301.26 = 31,405,845.64/x
  3. Step 3: Cross multiply
    104,195,154.28x = 156,315,301.26 × 31,405,845.64
  4. Step 4: Simplify right side
    104,195,154.28x = 4,909,214,222,541,657
  5. Step 5: Solve for x
    x = 4,909,214,222,541,657/104,195,154.28
  6. Step 6: Final answer
    x = 47,115,571.32

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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.