Home / 45,852,100.07-68,778,137.55-31,431,448.54

Finding the Fourth Proportional to 45,852,100.07, 68,778,137.55 and 31,431,448.54

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Solution

The fourth proportional to 45,852,100.07, 68,778,137.55 and 31,431,448.54 is: 47,147,164.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,852,100.07 : 68,778,137.55 = 31,431,448.54 : x
  2. Step 2: Convert to fraction form
    45,852,100.07/68,778,137.55 = 31,431,448.54/x
  3. Step 3: Cross multiply
    45,852,100.07x = 68,778,137.55 × 31,431,448.54
  4. Step 4: Simplify right side
    45,852,100.07x = 2,161,796,490,735,976
  5. Step 5: Solve for x
    x = 2,161,796,490,735,976/45,852,100.07
  6. Step 6: Final answer
    x = 47,147,164.20

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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.