Home / 77,403,499.73-106,792,781.82-43,907,458.28

Finding the Fourth Proportional to 77,403,499.73, 106,792,781.82 and 43,907,458.28

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Solution

The fourth proportional to 77,403,499.73, 106,792,781.82 and 43,907,458.28 is: 60,578,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,403,499.73 : 106,792,781.82 = 43,907,458.28 : x
  2. Step 2: Convert to fraction form
    77,403,499.73/106,792,781.82 = 43,907,458.28/x
  3. Step 3: Cross multiply
    77,403,499.73x = 106,792,781.82 × 43,907,458.28
  4. Step 4: Simplify right side
    77,403,499.73x = 4,688,999,611,832,828
  5. Step 5: Solve for x
    x = 4,688,999,611,832,828/77,403,499.73
  6. Step 6: Final answer
    x = 60,578,651.20

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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.