Finding the Fourth Proportional to 97,373,836.74, 145,933,578.32 and 74,260,139.05
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Solution
The fourth proportional to 97,373,836.74, 145,933,578.32 and 74,260,139.05 is: 111,293,219.83
Step by Step Solution
- Step 1: Write the proportion equation
97,373,836.74 : 145,933,578.32 = 74,260,139.05 : x - Step 2: Convert to fraction form
97,373,836.74/145,933,578.32 = 74,260,139.05/x - Step 3: Cross multiply
97,373,836.74x = 145,933,578.32 × 74,260,139.05 - Step 4: Simplify right side
97,373,836.74x = 10,837,047,817,928,082 - Step 5: Solve for x
x = 10,837,047,817,928,082/97,373,836.74 - Step 6: Final answer
x = 111,293,219.83
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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.