Finding the Fourth Proportional to 320,089,056.18, 441,723,345.75 and 173,411,340.18
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Solution
The fourth proportional to 320,089,056.18, 441,723,345.75 and 173,411,340.18 is: 239,307,892.28
Step by Step Solution
- Step 1: Write the proportion equation
320,089,056.18 : 441,723,345.75 = 173,411,340.18 : x - Step 2: Convert to fraction form
320,089,056.18/441,723,345.75 = 173,411,340.18/x - Step 3: Cross multiply
320,089,056.18x = 441,723,345.75 × 173,411,340.18 - Step 4: Simplify right side
320,089,056.18x = 76,599,837,375,301,008 - Step 5: Solve for x
x = 76,599,837,375,301,008/320,089,056.18 - Step 6: Final answer
x = 239,307,892.28
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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.