Finding the Fourth Proportional to 161,941,798.58, 242,717,534.08 and 74,382,489.76
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Solution
The fourth proportional to 161,941,798.58, 242,717,534.08 and 74,382,489.76 is: 111,484,092.75
Step by Step Solution
- Step 1: Write the proportion equation
161,941,798.58 : 242,717,534.08 = 74,382,489.76 : x - Step 2: Convert to fraction form
161,941,798.58/242,717,534.08 = 74,382,489.76/x - Step 3: Cross multiply
161,941,798.58x = 242,717,534.08 × 74,382,489.76 - Step 4: Simplify right side
161,941,798.58x = 18,053,934,493,278,052 - Step 5: Solve for x
x = 18,053,934,493,278,052/161,941,798.58 - Step 6: Final answer
x = 111,484,092.75
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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.