Home / 117,622,922.40-176,434,383.60-74,682,489.60

Finding the Fourth Proportional to 117,622,922.40, 176,434,383.60 and 74,682,489.60

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Solution

The fourth proportional to 117,622,922.40, 176,434,383.60 and 74,682,489.60 is: 112,023,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,622,922.40 : 176,434,383.60 = 74,682,489.60 : x
  2. Step 2: Convert to fraction form
    117,622,922.40/176,434,383.60 = 74,682,489.60/x
  3. Step 3: Cross multiply
    117,622,922.40x = 176,434,383.60 × 74,682,489.60
  4. Step 4: Simplify right side
    117,622,922.40x = 13,176,559,018,289,410
  5. Step 5: Solve for x
    x = 13,176,559,018,289,410/117,622,922.40
  6. Step 6: Final answer
    x = 112,023,734.40

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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.