Finding the Fourth Proportional to 155,323,762.91, 214,351,348.20 and 84,763,928.96
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Solution
The fourth proportional to 155,323,762.91, 214,351,348.20 and 84,763,928.96 is: 116,976,707.94
Step by Step Solution
- Step 1: Write the proportion equation
155,323,762.91 : 214,351,348.20 = 84,763,928.96 : x - Step 2: Convert to fraction form
155,323,762.91/214,351,348.20 = 84,763,928.96/x - Step 3: Cross multiply
155,323,762.91x = 214,351,348.20 × 84,763,928.96 - Step 4: Simplify right side
155,323,762.91x = 18,169,262,450,233,264 - Step 5: Solve for x
x = 18,169,262,450,233,264/155,323,762.91 - Step 6: Final answer
x = 116,976,707.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.