Finding the Fourth Proportional to 204,575,109.18, 306,865,323 and 68,260,492.68
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Solution
The fourth proportional to 204,575,109.18, 306,865,323 and 68,260,492.68 is: 102,391,626.32
Step by Step Solution
- Step 1: Write the proportion equation
204,575,109.18 : 306,865,323 = 68,260,492.68 : x - Step 2: Convert to fraction form
204,575,109.18/306,865,323 = 68,260,492.68/x - Step 3: Cross multiply
204,575,109.18x = 306,865,323 × 68,260,492.68 - Step 4: Simplify right side
204,575,109.18x = 20,946,778,134,387,336 - Step 5: Solve for x
x = 20,946,778,134,387,336/204,575,109.18 - Step 6: Final answer
x = 102,391,626.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.