Finding the Fourth Proportional to 51,807,996.80, 71,501,304.89 and 29,486,410.02
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Solution
The fourth proportional to 51,807,996.80, 71,501,304.89 and 29,486,410.02 is: 40,694,813.99
Step by Step Solution
- Step 1: Write the proportion equation
51,807,996.80 : 71,501,304.89 = 29,486,410.02 : x - Step 2: Convert to fraction form
51,807,996.80/71,501,304.89 = 29,486,410.02/x - Step 3: Cross multiply
51,807,996.80x = 71,501,304.89 × 29,486,410.02 - Step 4: Simplify right side
51,807,996.80x = 2,108,316,793,119,733.25 - Step 5: Solve for x
x = 2,108,316,793,119,733.25/51,807,996.80 - Step 6: Final answer
x = 40,694,813.99
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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.