Finding the Fourth Proportional to 158,265,297.13, 218,407,392.63 and 87,702,086.17
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Solution
The fourth proportional to 158,265,297.13, 218,407,392.63 and 87,702,086.17 is: 121,029,589.66
Step by Step Solution
- Step 1: Write the proportion equation
158,265,297.13 : 218,407,392.63 = 87,702,086.17 : x - Step 2: Convert to fraction form
158,265,297.13/218,407,392.63 = 87,702,086.17/x - Step 3: Cross multiply
158,265,297.13x = 218,407,392.63 × 87,702,086.17 - Step 4: Simplify right side
158,265,297.13x = 19,154,783,968,601,284 - Step 5: Solve for x
x = 19,154,783,968,601,284/158,265,297.13 - Step 6: Final answer
x = 121,029,589.66
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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.