Home / 161,758,922.40-242,638,383.60-46,747,216.80

Finding the Fourth Proportional to 161,758,922.40, 242,638,383.60 and 46,747,216.80

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Solution

The fourth proportional to 161,758,922.40, 242,638,383.60 and 46,747,216.80 is: 70,120,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,758,922.40 : 242,638,383.60 = 46,747,216.80 : x
  2. Step 2: Convert to fraction form
    161,758,922.40/242,638,383.60 = 46,747,216.80/x
  3. Step 3: Cross multiply
    161,758,922.40x = 242,638,383.60 × 46,747,216.80
  4. Step 4: Simplify right side
    161,758,922.40x = 11,342,669,122,150,764
  5. Step 5: Solve for x
    x = 11,342,669,122,150,764/161,758,922.40
  6. Step 6: Final answer
    x = 70,120,825.20

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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.