Finding the Fourth Proportional to 266,290,283.52, 367,448,760.57 and 147,196,787.09
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Solution
The fourth proportional to 266,290,283.52, 367,448,760.57 and 147,196,787.09 is: 203,113,971.20
Step by Step Solution
- Step 1: Write the proportion equation
266,290,283.52 : 367,448,760.57 = 147,196,787.09 : x - Step 2: Convert to fraction form
266,290,283.52/367,448,760.57 = 147,196,787.09/x - Step 3: Cross multiply
266,290,283.52x = 367,448,760.57 × 147,196,787.09 - Step 4: Simplify right side
266,290,283.52x = 54,087,276,977,095,440 - Step 5: Solve for x
x = 54,087,276,977,095,440/266,290,283.52 - Step 6: Final answer
x = 203,113,971.20
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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.