Finding the Fourth Proportional to 211,473,412.70, 291,838,341.58 and 118,660,785.08
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Solution
The fourth proportional to 211,473,412.70, 291,838,341.58 and 118,660,785.08 is: 163,754,706.97
Step by Step Solution
- Step 1: Write the proportion equation
211,473,412.70 : 291,838,341.58 = 118,660,785.08 : x - Step 2: Convert to fraction form
211,473,412.70/291,838,341.58 = 118,660,785.08/x - Step 3: Cross multiply
211,473,412.70x = 291,838,341.58 × 118,660,785.08 - Step 4: Simplify right side
211,473,412.70x = 34,629,766,728,328,004 - Step 5: Solve for x
x = 34,629,766,728,328,004/211,473,412.70 - Step 6: Final answer
x = 163,754,706.97
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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.