Finding the Fourth Proportional to 314,929,702.80, 472,394,554.20 and 133,176,880.80
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Solution
The fourth proportional to 314,929,702.80, 472,394,554.20 and 133,176,880.80 is: 199,765,321.20
Step by Step Solution
- Step 1: Write the proportion equation
314,929,702.80 : 472,394,554.20 = 133,176,880.80 : x - Step 2: Convert to fraction form
314,929,702.80/472,394,554.20 = 133,176,880.80/x - Step 3: Cross multiply
314,929,702.80x = 472,394,554.20 × 133,176,880.80 - Step 4: Simplify right side
314,929,702.80x = 62,912,033,235,262,536 - Step 5: Solve for x
x = 62,912,033,235,262,536/314,929,702.80 - Step 6: Final answer
x = 199,765,321.20
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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.