Finding the Fourth Proportional to 136,207,034.74, 187,969,677.75 and 74,331,359.02
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Solution
The fourth proportional to 136,207,034.74, 187,969,677.75 and 74,331,359.02 is: 102,579,441.86
Step by Step Solution
- Step 1: Write the proportion equation
136,207,034.74 : 187,969,677.75 = 74,331,359.02 : x - Step 2: Convert to fraction form
136,207,034.74/187,969,677.75 = 74,331,359.02/x - Step 3: Cross multiply
136,207,034.74x = 187,969,677.75 × 74,331,359.02 - Step 4: Simplify right side
136,207,034.74x = 13,972,041,601,708,956 - Step 5: Solve for x
x = 13,972,041,601,708,956/136,207,034.74 - Step 6: Final answer
x = 102,579,441.86
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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.