Finding the Fourth Proportional to 243,563,430.24, 335,792,383.92 and 193,493,779.68
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Solution
The fourth proportional to 243,563,430.24, 335,792,383.92 and 193,493,779.68 is: 266,763,107.62
Step by Step Solution
- Step 1: Write the proportion equation
243,563,430.24 : 335,792,383.92 = 193,493,779.68 : x - Step 2: Convert to fraction form
243,563,430.24/335,792,383.92 = 193,493,779.68/x - Step 3: Cross multiply
243,563,430.24x = 335,792,383.92 × 193,493,779.68 - Step 4: Simplify right side
243,563,430.24x = 64,973,737,552,438,464 - Step 5: Solve for x
x = 64,973,737,552,438,464/243,563,430.24 - Step 6: Final answer
x = 266,763,107.62
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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.