Home / 45,852,101.82-68,778,140.18-31,431,450.29

Finding the Fourth Proportional to 45,852,101.82, 68,778,140.18 and 31,431,450.29

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Solution

The fourth proportional to 45,852,101.82, 68,778,140.18 and 31,431,450.29 is: 47,147,166.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,852,101.82 : 68,778,140.18 = 31,431,450.29 : x
  2. Step 2: Convert to fraction form
    45,852,101.82/68,778,140.18 = 31,431,450.29/x
  3. Step 3: Cross multiply
    45,852,101.82x = 68,778,140.18 × 31,431,450.29
  4. Step 4: Simplify right side
    45,852,101.82x = 2,161,796,693,605,273.50
  5. Step 5: Solve for x
    x = 2,161,796,693,605,273.50/45,852,101.82
  6. Step 6: Final answer
    x = 47,147,166.82

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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.