Finding the Fourth Proportional to 155,323,777.92, 214,351,368.92 and 84,763,943.96
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Solution
The fourth proportional to 155,323,777.92, 214,351,368.92 and 84,763,943.96 is: 116,976,728.65
Step by Step Solution
- Step 1: Write the proportion equation
155,323,777.92 : 214,351,368.92 = 84,763,943.96 : x - Step 2: Convert to fraction form
155,323,777.92/214,351,368.92 = 84,763,943.96/x - Step 3: Cross multiply
155,323,777.92x = 214,351,368.92 × 84,763,943.96 - Step 4: Simplify right side
155,323,777.92x = 18,169,267,422,884,164 - Step 5: Solve for x
x = 18,169,267,422,884,164/155,323,777.92 - Step 6: Final answer
x = 116,976,728.65
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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.