Finding the Fourth Proportional to 135,246,398.85, 202,878,013.77 and 48,985,552.92
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Solution
The fourth proportional to 135,246,398.85, 202,878,013.77 and 48,985,552.92 is: 73,481,377.43
Step by Step Solution
- Step 1: Write the proportion equation
135,246,398.85 : 202,878,013.77 = 48,985,552.92 : x - Step 2: Convert to fraction form
135,246,398.85/202,878,013.77 = 48,985,552.92/x - Step 3: Cross multiply
135,246,398.85x = 202,878,013.77 × 48,985,552.92 - Step 4: Simplify right side
135,246,398.85x = 9,938,091,679,834,824 - Step 5: Solve for x
x = 9,938,091,679,834,824/135,246,398.85 - Step 6: Final answer
x = 73,481,377.43
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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.