Finding the Fourth Proportional to 161,805,525.67, 242,881,006.65 and 69,734,701.02
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Solution
The fourth proportional to 161,805,525.67, 242,881,006.65 and 69,734,701.02 is: 104,676,489.33
Step by Step Solution
- Step 1: Write the proportion equation
161,805,525.67 : 242,881,006.65 = 69,734,701.02 : x - Step 2: Convert to fraction form
161,805,525.67/242,881,006.65 = 69,734,701.02/x - Step 3: Cross multiply
161,805,525.67x = 242,881,006.65 × 69,734,701.02 - Step 4: Simplify right side
161,805,525.67x = 16,937,234,380,959,978 - Step 5: Solve for x
x = 16,937,234,380,959,978/161,805,525.67 - Step 6: Final answer
x = 104,676,489.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.