Finding the Fourth Proportional to 99,699,291.90, 149,534,941.05 and 31,548,872.70
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Solution
The fourth proportional to 99,699,291.90, 149,534,941.05 and 31,548,872.70 is: 47,318,879.90
Step by Step Solution
- Step 1: Write the proportion equation
99,699,291.90 : 149,534,941.05 = 31,548,872.70 : x - Step 2: Convert to fraction form
99,699,291.90/149,534,941.05 = 31,548,872.70/x - Step 3: Cross multiply
99,699,291.90x = 149,534,941.05 × 31,548,872.70 - Step 4: Simplify right side
99,699,291.90x = 4,717,658,819,388,455 - Step 5: Solve for x
x = 4,717,658,819,388,455/99,699,291.90 - Step 6: Final answer
x = 47,318,879.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.