Finding the Fourth Proportional to 140,783,451,718.62, 194,284,845,484.18 and 76,557,932,316.48
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Solution
The fourth proportional to 140,783,451,718.62, 194,284,845,484.18 and 76,557,932,316.48 is: 105,651,948,926.67
Step by Step Solution
- Step 1: Write the proportion equation
140,783,451,718.62 : 194,284,845,484.18 = 76,557,932,316.48 : x - Step 2: Convert to fraction form
140,783,451,718.62/194,284,845,484.18 = 76,557,932,316.48/x - Step 3: Cross multiply
140,783,451,718.62x = 194,284,845,484.18 × 76,557,932,316.48 - Step 4: Simplify right side
140,783,451,718.62x = 14,874,046,050,695,626,358,784 - Step 5: Solve for x
x = 14,874,046,050,695,626,358,784/140,783,451,718.62 - Step 6: Final answer
x = 105,651,948,926.67
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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.