Finding the Fourth Proportional to 209,952,628.80, 314,928,943.20 and 187,844,683.20
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Solution
The fourth proportional to 209,952,628.80, 314,928,943.20 and 187,844,683.20 is: 281,767,024.80
Step by Step Solution
- Step 1: Write the proportion equation
209,952,628.80 : 314,928,943.20 = 187,844,683.20 : x - Step 2: Convert to fraction form
209,952,628.80/314,928,943.20 = 187,844,683.20/x - Step 3: Cross multiply
209,952,628.80x = 314,928,943.20 × 187,844,683.20 - Step 4: Simplify right side
209,952,628.80x = 59,157,727,565,914,792 - Step 5: Solve for x
x = 59,157,727,565,914,792/209,952,628.80 - Step 6: Final answer
x = 281,767,024.80
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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.