Finding the Fourth Proportional to 75,531,242.58, 113,296,490.04 and 65,264,861.34
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Solution
The fourth proportional to 75,531,242.58, 113,296,490.04 and 65,264,861.34 is: 97,896,968.99
Step by Step Solution
- Step 1: Write the proportion equation
75,531,242.58 : 113,296,490.04 = 65,264,861.34 : x - Step 2: Convert to fraction form
75,531,242.58/113,296,490.04 = 65,264,861.34/x - Step 3: Cross multiply
75,531,242.58x = 113,296,490.04 × 65,264,861.34 - Step 4: Simplify right side
75,531,242.58x = 7,394,279,712,769,292 - Step 5: Solve for x
x = 7,394,279,712,769,292/75,531,242.58 - Step 6: Final answer
x = 97,896,968.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.