Finding the Fourth Proportional to 245,052,316.35, 338,172,266.93 and 133,543,187.82
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Solution
The fourth proportional to 245,052,316.35, 338,172,266.93 and 133,543,187.82 is: 184,289,637.54
Step by Step Solution
- Step 1: Write the proportion equation
245,052,316.35 : 338,172,266.93 = 133,543,187.82 : x - Step 2: Convert to fraction form
245,052,316.35/338,172,266.93 = 133,543,187.82/x - Step 3: Cross multiply
245,052,316.35x = 338,172,266.93 × 133,543,187.82 - Step 4: Simplify right side
245,052,316.35x = 45,160,602,557,480,448 - Step 5: Solve for x
x = 45,160,602,557,480,448/245,052,316.35 - Step 6: Final answer
x = 184,289,637.54
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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.