Finding the Fourth Proportional to 77,251,751.79, 115,872,935.76 and 27,399,043.05
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Solution
The fourth proportional to 77,251,751.79, 115,872,935.76 and 27,399,043.05 is: 41,096,900.48
Step by Step Solution
- Step 1: Write the proportion equation
77,251,751.79 : 115,872,935.76 = 27,399,043.05 : x - Step 2: Convert to fraction form
77,251,751.79/115,872,935.76 = 27,399,043.05/x - Step 3: Cross multiply
77,251,751.79x = 115,872,935.76 × 27,399,043.05 - Step 4: Simplify right side
77,251,751.79x = 3,174,807,555,218,124.50 - Step 5: Solve for x
x = 3,174,807,555,218,124.50/77,251,751.79 - Step 6: Final answer
x = 41,096,900.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.