Home / 104,105,638.80-156,130,464.60-31,322,278.80

Finding the Fourth Proportional to 104,105,638.80, 156,130,464.60 and 31,322,278.80

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Solution

The fourth proportional to 104,105,638.80, 156,130,464.60 and 31,322,278.80 is: 46,974,995.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,105,638.80 : 156,130,464.60 = 31,322,278.80 : x
  2. Step 2: Convert to fraction form
    104,105,638.80/156,130,464.60 = 31,322,278.80/x
  3. Step 3: Cross multiply
    104,105,638.80x = 156,130,464.60 × 31,322,278.80
  4. Step 4: Simplify right side
    104,105,638.80x = 4,890,361,941,374,730
  5. Step 5: Solve for x
    x = 4,890,361,941,374,730/104,105,638.80
  6. Step 6: Final answer
    x = 46,974,995.76

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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.