Home / 75,789,441,137.74-104,585,285,223.15-41,488,512,142.54

Finding the Fourth Proportional to 75,789,441,137.74, 104,585,285,223.15 and 41,488,512,142.54

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Solution

The fourth proportional to 75,789,441,137.74, 104,585,285,223.15 and 41,488,512,142.54 is: 57,251,878,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,789,441,137.74 : 104,585,285,223.15 = 41,488,512,142.54 : x
  2. Step 2: Convert to fraction form
    75,789,441,137.74/104,585,285,223.15 = 41,488,512,142.54/x
  3. Step 3: Cross multiply
    75,789,441,137.74x = 104,585,285,223.15 × 41,488,512,142.54
  4. Step 4: Simplify right side
    75,789,441,137.74x = 4,339,087,875,911,667,679,232
  5. Step 5: Solve for x
    x = 4,339,087,875,911,667,679,232/75,789,441,137.74
  6. Step 6: Final answer
    x = 57,251,878,504.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.