Finding the Fourth Proportional to 165,902,117.80, 248,853,176.70 and 149,777,804.20
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Solution
The fourth proportional to 165,902,117.80, 248,853,176.70 and 149,777,804.20 is: 224,666,706.30
Step by Step Solution
- Step 1: Write the proportion equation
165,902,117.80 : 248,853,176.70 = 149,777,804.20 : x - Step 2: Convert to fraction form
165,902,117.80/248,853,176.70 = 149,777,804.20/x - Step 3: Cross multiply
165,902,117.80x = 248,853,176.70 × 149,777,804.20 - Step 4: Simplify right side
165,902,117.80x = 37,272,682,374,320,600 - Step 5: Solve for x
x = 37,272,682,374,320,600/165,902,117.80 - Step 6: Final answer
x = 224,666,706.30
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1.5x scale
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.