Finding the Fourth Proportional to 213,867,072, 295,377,291.36 and 144,538,822.08
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Solution
The fourth proportional to 213,867,072, 295,377,291.36 and 144,538,822.08 is: 199,626,269.55
Step by Step Solution
- Step 1: Write the proportion equation
213,867,072 : 295,377,291.36 = 144,538,822.08 : x - Step 2: Convert to fraction form
213,867,072/295,377,291.36 = 144,538,822.08/x - Step 3: Cross multiply
213,867,072x = 295,377,291.36 × 144,538,822.08 - Step 4: Simplify right side
213,867,072x = 42,693,485,762,355,368 - Step 5: Solve for x
x = 42,693,485,762,355,368/213,867,072 - Step 6: Final answer
x = 199,626,269.55
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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.