Finding the Fourth Proportional to 101,910,972.57, 152,715,293.33 and 74,852,358.81
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Solution
The fourth proportional to 101,910,972.57, 152,715,293.33 and 74,852,358.81 is: 112,167,508.99
Step by Step Solution
- Step 1: Write the proportion equation
101,910,972.57 : 152,715,293.33 = 74,852,358.81 : x - Step 2: Convert to fraction form
101,910,972.57/152,715,293.33 = 74,852,358.81/x - Step 3: Cross multiply
101,910,972.57x = 152,715,293.33 × 74,852,358.81 - Step 4: Simplify right side
101,910,972.57x = 11,431,099,931,737,298 - Step 5: Solve for x
x = 11,431,099,931,737,298/101,910,972.57 - Step 6: Final answer
x = 112,167,508.99
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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.