Finding the Fourth Proportional to 56,598,319.79, 78,108,452.13 and 31,826,304.74
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Solution
The fourth proportional to 56,598,319.79, 78,108,452.13 and 31,826,304.74 is: 43,921,858.63
Step by Step Solution
- Step 1: Write the proportion equation
56,598,319.79 : 78,108,452.13 = 31,826,304.74 : x - Step 2: Convert to fraction form
56,598,319.79/78,108,452.13 = 31,826,304.74/x - Step 3: Cross multiply
56,598,319.79x = 78,108,452.13 × 31,826,304.74 - Step 4: Simplify right side
56,598,319.79x = 2,485,903,400,394,679 - Step 5: Solve for x
x = 2,485,903,400,394,679/56,598,319.79 - Step 6: Final answer
x = 43,921,858.63
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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.