Finding the Fourth Proportional to 136,857,177.13, 188,863,811.29 and 74,133,275.09
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Solution
The fourth proportional to 136,857,177.13, 188,863,811.29 and 74,133,275.09 is: 102,304,410.86
Step by Step Solution
- Step 1: Write the proportion equation
136,857,177.13 : 188,863,811.29 = 74,133,275.09 : x - Step 2: Convert to fraction form
136,857,177.13/188,863,811.29 = 74,133,275.09/x - Step 3: Cross multiply
136,857,177.13x = 188,863,811.29 × 74,133,275.09 - Step 4: Simplify right side
136,857,177.13x = 14,001,092,877,649,398 - Step 5: Solve for x
x = 14,001,092,877,649,398/136,857,177.13 - Step 6: Final answer
x = 102,304,410.86
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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.