Finding the Fourth Proportional to 71,500,244.53, 98,769,946.85 and 68,845,693.09
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Solution
The fourth proportional to 71,500,244.53, 98,769,946.85 and 68,845,693.09 is: 95,102,967.72
Step by Step Solution
- Step 1: Write the proportion equation
71,500,244.53 : 98,769,946.85 = 68,845,693.09 : x - Step 2: Convert to fraction form
71,500,244.53/98,769,946.85 = 68,845,693.09/x - Step 3: Cross multiply
71,500,244.53x = 98,769,946.85 × 68,845,693.09 - Step 4: Simplify right side
71,500,244.53x = 6,799,885,447,350,712 - Step 5: Solve for x
x = 6,799,885,447,350,712/71,500,244.53 - Step 6: Final answer
x = 95,102,967.72
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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.