Finding the Fourth Proportional to 75,154,397.97, 103,711,382.73 and 43,790,492.46
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Solution
The fourth proportional to 75,154,397.97, 103,711,382.73 and 43,790,492.46 is: 60,429,896.93
Step by Step Solution
- Step 1: Write the proportion equation
75,154,397.97 : 103,711,382.73 = 43,790,492.46 : x - Step 2: Convert to fraction form
75,154,397.97/103,711,382.73 = 43,790,492.46/x - Step 3: Cross multiply
75,154,397.97x = 103,711,382.73 × 43,790,492.46 - Step 4: Simplify right side
75,154,397.97x = 4,541,572,523,454,239 - Step 5: Solve for x
x = 4,541,572,523,454,239/75,154,397.97 - Step 6: Final answer
x = 60,429,896.93
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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.