Finding the Fourth Proportional to 136,633,347.81, 188,558,516.52 and 74,752,270.29
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Solution
The fourth proportional to 136,633,347.81, 188,558,516.52 and 74,752,270.29 is: 103,160,593.06
Step by Step Solution
- Step 1: Write the proportion equation
136,633,347.81 : 188,558,516.52 = 74,752,270.29 : x - Step 2: Convert to fraction form
136,633,347.81/188,558,516.52 = 74,752,270.29/x - Step 3: Cross multiply
136,633,347.81x = 188,558,516.52 × 74,752,270.29 - Step 4: Simplify right side
136,633,347.81x = 14,095,177,192,384,472 - Step 5: Solve for x
x = 14,095,177,192,384,472/136,633,347.81 - Step 6: Final answer
x = 103,160,593.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.