Finding the Fourth Proportional to 147,089,506.38, 202,968,497.70 and 90,565,276.38
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Solution
The fourth proportional to 147,089,506.38, 202,968,497.70 and 90,565,276.38 is: 124,970,832.68
Step by Step Solution
- Step 1: Write the proportion equation
147,089,506.38 : 202,968,497.70 = 90,565,276.38 : x - Step 2: Convert to fraction form
147,089,506.38/202,968,497.70 = 90,565,276.38/x - Step 3: Cross multiply
147,089,506.38x = 202,968,497.70 × 90,565,276.38 - Step 4: Simplify right side
147,089,506.38x = 18,381,898,090,633,892 - Step 5: Solve for x
x = 18,381,898,090,633,892/147,089,506.38 - Step 6: Final answer
x = 124,970,832.68
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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.