Finding the Fourth Proportional to 272,736,983.20, 376,283,678.16 and 155,232,914.08
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Solution
The fourth proportional to 272,736,983.20, 376,283,678.16 and 155,232,914.08 is: 214,168,284.76
Step by Step Solution
- Step 1: Write the proportion equation
272,736,983.20 : 376,283,678.16 = 155,232,914.08 : x - Step 2: Convert to fraction form
272,736,983.20/376,283,678.16 = 155,232,914.08/x - Step 3: Cross multiply
272,736,983.20x = 376,283,678.16 × 155,232,914.08 - Step 4: Simplify right side
272,736,983.20x = 58,411,611,881,517,664 - Step 5: Solve for x
x = 58,411,611,881,517,664/272,736,983.20 - Step 6: Final answer
x = 214,168,284.76
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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.