Finding the Fourth Proportional to 170,311,957.66, 235,030,465.23 and 91,995,511.96
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Solution
The fourth proportional to 170,311,957.66, 235,030,465.23 and 91,995,511.96 is: 126,953,786.88
Step by Step Solution
- Step 1: Write the proportion equation
170,311,957.66 : 235,030,465.23 = 91,995,511.96 : x - Step 2: Convert to fraction form
170,311,957.66/235,030,465.23 = 91,995,511.96/x - Step 3: Cross multiply
170,311,957.66x = 235,030,465.23 × 91,995,511.96 - Step 4: Simplify right side
170,311,957.66x = 21,621,747,975,497,572 - Step 5: Solve for x
x = 21,621,747,975,497,572/170,311,957.66 - Step 6: Final answer
x = 126,953,786.88
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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.