Finding the Fourth Proportional to 300,487,506.30, 450,761,702.49 and 103,725,274.14
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Solution
The fourth proportional to 300,487,506.30, 450,761,702.49 and 103,725,274.14 is: 155,598,419.84
Step by Step Solution
- Step 1: Write the proportion equation
300,487,506.30 : 450,761,702.49 = 103,725,274.14 : x - Step 2: Convert to fraction form
300,487,506.30/450,761,702.49 = 103,725,274.14/x - Step 3: Cross multiply
300,487,506.30x = 450,761,702.49 × 103,725,274.14 - Step 4: Simplify right side
300,487,506.30x = 46,755,381,162,588,368 - Step 5: Solve for x
x = 46,755,381,162,588,368/300,487,506.30 - Step 6: Final answer
x = 155,598,419.84
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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.