Finding the Fourth Proportional to 98,699,009.63, 136,206,711.37 and 54,046,857.02
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Solution
The fourth proportional to 98,699,009.63, 136,206,711.37 and 54,046,857.02 is: 74,585,800.63
Step by Step Solution
- Step 1: Write the proportion equation
98,699,009.63 : 136,206,711.37 = 54,046,857.02 : x - Step 2: Convert to fraction form
98,699,009.63/136,206,711.37 = 54,046,857.02/x - Step 3: Cross multiply
98,699,009.63x = 136,206,711.37 × 54,046,857.02 - Step 4: Simplify right side
98,699,009.63x = 7,361,544,654,784,198 - Step 5: Solve for x
x = 7,361,544,654,784,198/98,699,009.63 - Step 6: Final answer
x = 74,585,800.63
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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.