Finding the Fourth Proportional to 147,089,532.08, 202,968,532.98 and 90,565,302.08
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Solution
The fourth proportional to 147,089,532.08, 202,968,532.98 and 90,565,302.08 is: 124,970,868.03
Step by Step Solution
- Step 1: Write the proportion equation
147,089,532.08 : 202,968,532.98 = 90,565,302.08 : x - Step 2: Convert to fraction form
147,089,532.08/202,968,532.98 = 90,565,302.08/x - Step 3: Cross multiply
147,089,532.08x = 202,968,532.98 × 90,565,302.08 - Step 4: Simplify right side
147,089,532.08x = 18,381,906,502,068,140 - Step 5: Solve for x
x = 18,381,906,502,068,140/147,089,532.08 - Step 6: Final answer
x = 124,970,868.03
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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.