Finding the Fourth Proportional to 85,631,767.11, 118,171,838.51 and 46,473,543.85
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Solution
The fourth proportional to 85,631,767.11, 118,171,838.51 and 46,473,543.85 is: 64,133,490.46
Step by Step Solution
- Step 1: Write the proportion equation
85,631,767.11 : 118,171,838.51 = 46,473,543.85 : x - Step 2: Convert to fraction form
85,631,767.11/118,171,838.51 = 46,473,543.85/x - Step 3: Cross multiply
85,631,767.11x = 118,171,838.51 × 46,473,543.85 - Step 4: Simplify right side
85,631,767.11x = 5,491,864,118,597,236 - Step 5: Solve for x
x = 5,491,864,118,597,236/85,631,767.11 - Step 6: Final answer
x = 64,133,490.46
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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.