Finding the Fourth Proportional to 193,359,790.55, 266,328,207.36 and 148,620,206.68
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Solution
The fourth proportional to 193,359,790.55, 266,328,207.36 and 148,620,206.68 is: 204,705,192.89
Step by Step Solution
- Step 1: Write the proportion equation
193,359,790.55 : 266,328,207.36 = 148,620,206.68 : x - Step 2: Convert to fraction form
193,359,790.55/266,328,207.36 = 148,620,206.68/x - Step 3: Cross multiply
193,359,790.55x = 266,328,207.36 × 148,620,206.68 - Step 4: Simplify right side
193,359,790.55x = 39,581,753,221,891,280 - Step 5: Solve for x
x = 39,581,753,221,891,280/193,359,790.55 - Step 6: Final answer
x = 204,705,192.89
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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.