Finding the Fourth Proportional to 71,327,869,423.95, 98,432,523,125.41 and 39,213,777,958.96
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Solution
The fourth proportional to 71,327,869,423.95, 98,432,523,125.41 and 39,213,777,958.96 is: 54,115,048,394.86
Step by Step Solution
- Step 1: Write the proportion equation
71,327,869,423.95 : 98,432,523,125.41 = 39,213,777,958.96 : x - Step 2: Convert to fraction form
71,327,869,423.95/98,432,523,125.41 = 39,213,777,958.96/x - Step 3: Cross multiply
71,327,869,423.95x = 98,432,523,125.41 × 39,213,777,958.96 - Step 4: Simplify right side
71,327,869,423.95x = 3,859,911,105,779,531,251,712 - Step 5: Solve for x
x = 3,859,911,105,779,531,251,712/71,327,869,423.95 - Step 6: Final answer
x = 54,115,048,394.86
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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.