Finding the Fourth Proportional to 292,187,358.63, 403,231,229.78 and 161,807,166.63
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Solution
The fourth proportional to 292,187,358.63, 403,231,229.78 and 161,807,166.63 is: 223,300,909.02
Step by Step Solution
- Step 1: Write the proportion equation
292,187,358.63 : 403,231,229.78 = 161,807,166.63 : x - Step 2: Convert to fraction form
292,187,358.63/403,231,229.78 = 161,807,166.63/x - Step 3: Cross multiply
292,187,358.63x = 403,231,229.78 × 161,807,166.63 - Step 4: Simplify right side
292,187,358.63x = 65,245,702,787,432,272 - Step 5: Solve for x
x = 65,245,702,787,432,272/292,187,358.63 - Step 6: Final answer
x = 223,300,909.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.