Home / 85,135,053.73-117,486,369.62-45,976,826.68

Finding the Fourth Proportional to 85,135,053.73, 117,486,369.62 and 45,976,826.68

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Solution

The fourth proportional to 85,135,053.73, 117,486,369.62 and 45,976,826.68 is: 63,448,018.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,135,053.73 : 117,486,369.62 = 45,976,826.68 : x
  2. Step 2: Convert to fraction form
    85,135,053.73/117,486,369.62 = 45,976,826.68/x
  3. Step 3: Cross multiply
    85,135,053.73x = 117,486,369.62 × 45,976,826.68
  4. Step 4: Simplify right side
    85,135,053.73x = 5,401,650,453,281,158
  5. Step 5: Solve for x
    x = 5,401,650,453,281,158/85,135,053.73
  6. Step 6: Final answer
    x = 63,448,018.37

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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.