Finding the Fourth Proportional to 133,129,647.42, 183,715,491.74 and 74,392,795.10
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Solution
The fourth proportional to 133,129,647.42, 183,715,491.74 and 74,392,795.10 is: 102,660,145.19
Step by Step Solution
- Step 1: Write the proportion equation
133,129,647.42 : 183,715,491.74 = 74,392,795.10 : x - Step 2: Convert to fraction form
133,129,647.42/183,715,491.74 = 74,392,795.10/x - Step 3: Cross multiply
133,129,647.42x = 183,715,491.74 × 74,392,795.10 - Step 4: Simplify right side
133,129,647.42x = 13,667,108,933,709,562 - Step 5: Solve for x
x = 13,667,108,933,709,562/133,129,647.42 - Step 6: Final answer
x = 102,660,145.19
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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.