Finding the Fourth Proportional to 274,989,460.95, 379,480,194.30 and 151,230,138.06
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Solution
The fourth proportional to 274,989,460.95, 379,480,194.30 and 151,230,138.06 is: 208,694,696.80
Step by Step Solution
- Step 1: Write the proportion equation
274,989,460.95 : 379,480,194.30 = 151,230,138.06 : x - Step 2: Convert to fraction form
274,989,460.95/379,480,194.30 = 151,230,138.06/x - Step 3: Cross multiply
274,989,460.95x = 379,480,194.30 × 151,230,138.06 - Step 4: Simplify right side
274,989,460.95x = 57,388,842,175,024,624 - Step 5: Solve for x
x = 57,388,842,175,024,624/274,989,460.95 - Step 6: Final answer
x = 208,694,696.80
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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.