Finding the Fourth Proportional to 129,331,522.24, 178,450,857.75 and 74,316,749.92
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Solution
The fourth proportional to 129,331,522.24, 178,450,857.75 and 74,316,749.92 is: 102,541,805.27
Step by Step Solution
- Step 1: Write the proportion equation
129,331,522.24 : 178,450,857.75 = 74,316,749.92 : x - Step 2: Convert to fraction form
129,331,522.24/178,450,857.75 = 74,316,749.92/x - Step 3: Cross multiply
129,331,522.24x = 178,450,857.75 × 74,316,749.92 - Step 4: Simplify right side
129,331,522.24x = 13,261,887,768,248,806 - Step 5: Solve for x
x = 13,261,887,768,248,806/129,331,522.24 - Step 6: Final answer
x = 102,541,805.27
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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.