Finding the Fourth Proportional to 93,230,199.42, 128,682,488.65 and 55,072,757.13
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Solution
The fourth proportional to 93,230,199.42, 128,682,488.65 and 55,072,757.13 is: 76,015,062.60
Step by Step Solution
- Step 1: Write the proportion equation
93,230,199.42 : 128,682,488.65 = 55,072,757.13 : x - Step 2: Convert to fraction form
93,230,199.42/128,682,488.65 = 55,072,757.13/x - Step 3: Cross multiply
93,230,199.42x = 128,682,488.65 × 55,072,757.13 - Step 4: Simplify right side
93,230,199.42x = 7,086,899,444,512,016 - Step 5: Solve for x
x = 7,086,899,444,512,016/93,230,199.42 - Step 6: Final answer
x = 76,015,062.60
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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.