Finding the Fourth Proportional to 102,575,733.68, 141,554,741.61 and 55,533,302.94
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Solution
The fourth proportional to 102,575,733.68, 141,554,741.61 and 55,533,302.94 is: 76,636,082.11
Step by Step Solution
- Step 1: Write the proportion equation
102,575,733.68 : 141,554,741.61 = 55,533,302.94 : x - Step 2: Convert to fraction form
102,575,733.68/141,554,741.61 = 55,533,302.94/x - Step 3: Cross multiply
102,575,733.68x = 141,554,741.61 × 55,533,302.94 - Step 4: Simplify right side
102,575,733.68x = 7,861,002,348,421,554 - Step 5: Solve for x
x = 7,861,002,348,421,554/102,575,733.68 - Step 6: Final answer
x = 76,636,082.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.