Home / 104,195,159.66-156,315,309.32-31,405,851.02

Finding the Fourth Proportional to 104,195,159.66, 156,315,309.32 and 31,405,851.02

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Solution

The fourth proportional to 104,195,159.66, 156,315,309.32 and 31,405,851.02 is: 47,115,579.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,195,159.66 : 156,315,309.32 = 31,405,851.02 : x
  2. Step 2: Convert to fraction form
    104,195,159.66/156,315,309.32 = 31,405,851.02/x
  3. Step 3: Cross multiply
    104,195,159.66x = 156,315,309.32 × 31,405,851.02
  4. Step 4: Simplify right side
    104,195,159.66x = 4,909,215,315,946,075
  5. Step 5: Solve for x
    x = 4,909,215,315,946,075/104,195,159.66
  6. Step 6: Final answer
    x = 47,115,579.38

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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.