Finding the Fourth Proportional to 155,337,244.12, 214,369,941.60 and 84,777,379.97
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Solution
The fourth proportional to 155,337,244.12, 214,369,941.60 and 84,777,379.97 is: 116,995,264.70
Step by Step Solution
- Step 1: Write the proportion equation
155,337,244.12 : 214,369,941.60 = 84,777,379.97 : x - Step 2: Convert to fraction form
155,337,244.12/214,369,941.60 = 84,777,379.97/x - Step 3: Cross multiply
155,337,244.12x = 214,369,941.60 × 84,777,379.97 - Step 4: Simplify right side
155,337,244.12x = 18,173,721,993,303,892 - Step 5: Solve for x
x = 18,173,721,993,303,892/155,337,244.12 - Step 6: Final answer
x = 116,995,264.70
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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.