Finding the Fourth Proportional to 157,230,405.70, 235,845,608.55 and 48,055,365.70
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Solution
The fourth proportional to 157,230,405.70, 235,845,608.55 and 48,055,365.70 is: 72,083,048.55
Step by Step Solution
- Step 1: Write the proportion equation
157,230,405.70 : 235,845,608.55 = 48,055,365.70 : x - Step 2: Convert to fraction form
157,230,405.70/235,845,608.55 = 48,055,365.70/x - Step 3: Cross multiply
157,230,405.70x = 235,845,608.55 × 48,055,365.70 - Step 4: Simplify right side
157,230,405.70x = 11,333,646,967,609,298 - Step 5: Solve for x
x = 11,333,646,967,609,298/157,230,405.70 - Step 6: Final answer
x = 72,083,048.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.