Finding the Fourth Proportional to 149,420,532.62, 224,198,899.95 and 76,688,388.92
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Solution
The fourth proportional to 149,420,532.62, 224,198,899.95 and 76,688,388.92 is: 115,067,535.45
Step by Step Solution
- Step 1: Write the proportion equation
149,420,532.62 : 224,198,899.95 = 76,688,388.92 : x - Step 2: Convert to fraction form
149,420,532.62/224,198,899.95 = 76,688,388.92/x - Step 3: Cross multiply
149,420,532.62x = 224,198,899.95 × 76,688,388.92 - Step 4: Simplify right side
149,420,532.62x = 17,193,452,433,680,774 - Step 5: Solve for x
x = 17,193,452,433,680,774/149,420,532.62 - Step 6: Final answer
x = 115,067,535.45
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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.