Finding the Fourth Proportional to 197,513,835.68, 296,284,925.28 and 68,119,543.28
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Solution
The fourth proportional to 197,513,835.68, 296,284,925.28 and 68,119,543.28 is: 102,184,202.55
Step by Step Solution
- Step 1: Write the proportion equation
197,513,835.68 : 296,284,925.28 = 68,119,543.28 : x - Step 2: Convert to fraction form
197,513,835.68/296,284,925.28 = 68,119,543.28/x - Step 3: Cross multiply
197,513,835.68x = 296,284,925.28 × 68,119,543.28 - Step 4: Simplify right side
197,513,835.68x = 20,182,793,790,822,524 - Step 5: Solve for x
x = 20,182,793,790,822,524/197,513,835.68 - Step 6: Final answer
x = 102,184,202.55
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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.