Finding the Fourth Proportional to 210,895,821.13, 291,032,982.84 and 118,079,650.48
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Solution
The fourth proportional to 210,895,821.13, 291,032,982.84 and 118,079,650.48 is: 162,948,097.82
Step by Step Solution
- Step 1: Write the proportion equation
210,895,821.13 : 291,032,982.84 = 118,079,650.48 : x - Step 2: Convert to fraction form
210,895,821.13/291,032,982.84 = 118,079,650.48/x - Step 3: Cross multiply
210,895,821.13x = 291,032,982.84 × 118,079,650.48 - Step 4: Simplify right side
210,895,821.13x = 34,365,072,891,899,036 - Step 5: Solve for x
x = 34,365,072,891,899,036/210,895,821.13 - Step 6: Final answer
x = 162,948,097.82
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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.