Finding the Fourth Proportional to 161,805,526.36, 242,881,007.69 and 69,734,701.70
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Solution
The fourth proportional to 161,805,526.36, 242,881,007.69 and 69,734,701.70 is: 104,676,490.36
Step by Step Solution
- Step 1: Write the proportion equation
161,805,526.36 : 242,881,007.69 = 69,734,701.70 : x - Step 2: Convert to fraction form
161,805,526.36/242,881,007.69 = 69,734,701.70/x - Step 3: Cross multiply
161,805,526.36x = 242,881,007.69 × 69,734,701.70 - Step 4: Simplify right side
161,805,526.36x = 16,937,234,620,116,086 - Step 5: Solve for x
x = 16,937,234,620,116,086/161,805,526.36 - Step 6: Final answer
x = 104,676,490.36
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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.