Finding the Fourth Proportional to 204,967,398.71, 307,450,851.73 and 66,792,787.92
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Solution
The fourth proportional to 204,967,398.71, 307,450,851.73 and 66,792,787.92 is: 100,189,101.60
Step by Step Solution
- Step 1: Write the proportion equation
204,967,398.71 : 307,450,851.73 = 66,792,787.92 : x - Step 2: Convert to fraction form
204,967,398.71/307,450,851.73 = 66,792,787.92/x - Step 3: Cross multiply
204,967,398.71x = 307,450,851.73 × 66,792,787.92 - Step 4: Simplify right side
204,967,398.71x = 20,535,499,535,258,276 - Step 5: Solve for x
x = 20,535,499,535,258,276/204,967,398.71 - Step 6: Final answer
x = 100,189,101.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.