Finding the Fourth Proportional to 118,293,951.68, 163,251,920.90 and 71,265,829.38
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Solution
The fourth proportional to 118,293,951.68, 163,251,920.90 and 71,265,829.38 is: 98,350,620.43
Step by Step Solution
- Step 1: Write the proportion equation
118,293,951.68 : 163,251,920.90 = 71,265,829.38 : x - Step 2: Convert to fraction form
118,293,951.68/163,251,920.90 = 71,265,829.38/x - Step 3: Cross multiply
118,293,951.68x = 163,251,920.90 × 71,265,829.38 - Step 4: Simplify right side
118,293,951.68x = 11,634,283,540,816,656 - Step 5: Solve for x
x = 11,634,283,540,816,656/118,293,951.68 - Step 6: Final answer
x = 98,350,620.43
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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.