Finding the Fourth Proportional to 218,376,220.10, 327,564,330.15 and 201,748,021.70
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Solution
The fourth proportional to 218,376,220.10, 327,564,330.15 and 201,748,021.70 is: 302,622,032.55
Step by Step Solution
- Step 1: Write the proportion equation
218,376,220.10 : 327,564,330.15 = 201,748,021.70 : x - Step 2: Convert to fraction form
218,376,220.10/327,564,330.15 = 201,748,021.70/x - Step 3: Cross multiply
218,376,220.10x = 327,564,330.15 × 201,748,021.70 - Step 4: Simplify right side
218,376,220.10x = 66,085,455,587,248,152 - Step 5: Solve for x
x = 66,085,455,587,248,152/218,376,220.10 - Step 6: Final answer
x = 302,622,032.55
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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.