Finding the Fourth Proportional to 201,507,240.19, 278,091,437.61 and 121,063,836.03
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Solution
The fourth proportional to 201,507,240.19, 278,091,437.61 and 121,063,836.03 is: 167,074,970.47
Step by Step Solution
- Step 1: Write the proportion equation
201,507,240.19 : 278,091,437.61 = 121,063,836.03 : x - Step 2: Convert to fraction form
201,507,240.19/278,091,437.61 = 121,063,836.03/x - Step 3: Cross multiply
201,507,240.19x = 278,091,437.61 × 121,063,836.03 - Step 4: Simplify right side
201,507,240.19x = 33,666,816,205,752,760 - Step 5: Solve for x
x = 33,666,816,205,752,760/201,507,240.19 - Step 6: Final answer
x = 167,074,970.47
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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.