Finding the Fourth Proportional to 147,089,531.08, 202,968,531.60 and 90,565,301.08
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Solution
The fourth proportional to 147,089,531.08, 202,968,531.60 and 90,565,301.08 is: 124,970,866.65
Step by Step Solution
- Step 1: Write the proportion equation
147,089,531.08 : 202,968,531.60 = 90,565,301.08 : x - Step 2: Convert to fraction form
147,089,531.08/202,968,531.60 = 90,565,301.08/x - Step 3: Cross multiply
147,089,531.08x = 202,968,531.60 × 90,565,301.08 - Step 4: Simplify right side
147,089,531.08x = 18,381,906,174,119,492 - Step 5: Solve for x
x = 18,381,906,174,119,492/147,089,531.08 - Step 6: Final answer
x = 124,970,866.65
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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.