Finding the Fourth Proportional to 90,812,880.35, 125,393,180.62 and 73,115,566.75
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Solution
The fourth proportional to 90,812,880.35, 125,393,180.62 and 73,115,566.75 is: 100,956,972.54
Step by Step Solution
- Step 1: Write the proportion equation
90,812,880.35 : 125,393,180.62 = 73,115,566.75 : x - Step 2: Convert to fraction form
90,812,880.35/125,393,180.62 = 73,115,566.75/x - Step 3: Cross multiply
90,812,880.35x = 125,393,180.62 × 73,115,566.75 - Step 4: Simplify right side
90,812,880.35x = 9,168,193,467,616,416 - Step 5: Solve for x
x = 9,168,193,467,616,416/90,812,880.35 - Step 6: Final answer
x = 100,956,972.54
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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.