Finding the Fourth Proportional to 118,490,836.84, 163,451,528.58 and 68,925,630.76
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Solution
The fourth proportional to 118,490,836.84, 163,451,528.58 and 68,925,630.76 is: 95,079,079.59
Step by Step Solution
- Step 1: Write the proportion equation
118,490,836.84 : 163,451,528.58 = 68,925,630.76 : x - Step 2: Convert to fraction form
118,490,836.84/163,451,528.58 = 68,925,630.76/x - Step 3: Cross multiply
118,490,836.84x = 163,451,528.58 × 68,925,630.76 - Step 4: Simplify right side
118,490,836.84x = 11,265,999,706,062,668 - Step 5: Solve for x
x = 11,265,999,706,062,668/118,490,836.84 - Step 6: Final answer
x = 95,079,079.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.