Finding the Fourth Proportional to 52,488,268.85, 78,732,403.28 and 48,661,893.65
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Solution
The fourth proportional to 52,488,268.85, 78,732,403.28 and 48,661,893.65 is: 72,992,840.48
Step by Step Solution
- Step 1: Write the proportion equation
52,488,268.85 : 78,732,403.28 = 48,661,893.65 : x - Step 2: Convert to fraction form
52,488,268.85/78,732,403.28 = 48,661,893.65/x - Step 3: Cross multiply
52,488,268.85x = 78,732,403.28 × 48,661,893.65 - Step 4: Simplify right side
52,488,268.85x = 3,831,267,834,976,962 - Step 5: Solve for x
x = 3,831,267,834,976,962/52,488,268.85 - Step 6: Final answer
x = 72,992,840.48
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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.