Finding the Fourth Proportional to 98,185,582.27, 135,489,860.08 and 54,130,173.13
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Solution
The fourth proportional to 98,185,582.27, 135,489,860.08 and 54,130,173.13 is: 74,696,196.87
Step by Step Solution
- Step 1: Write the proportion equation
98,185,582.27 : 135,489,860.08 = 54,130,173.13 : x - Step 2: Convert to fraction form
98,185,582.27/135,489,860.08 = 54,130,173.13/x - Step 3: Cross multiply
98,185,582.27x = 135,489,860.08 × 54,130,173.13 - Step 4: Simplify right side
98,185,582.27x = 7,334,089,583,489,877 - Step 5: Solve for x
x = 7,334,089,583,489,877/98,185,582.27 - Step 6: Final answer
x = 74,696,196.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.