Finding the Fourth Proportional to 52,721,647.79, 72,750,335.14 and 29,199,568.35
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Solution
The fourth proportional to 52,721,647.79, 72,750,335.14 and 29,199,568.35 is: 40,292,336.68
Step by Step Solution
- Step 1: Write the proportion equation
52,721,647.79 : 72,750,335.14 = 29,199,568.35 : x - Step 2: Convert to fraction form
52,721,647.79/72,750,335.14 = 29,199,568.35/x - Step 3: Cross multiply
52,721,647.79x = 72,750,335.14 × 29,199,568.35 - Step 4: Simplify right side
52,721,647.79x = 2,124,278,383,141,682 - Step 5: Solve for x
x = 2,124,278,383,141,682/52,721,647.79 - Step 6: Final answer
x = 40,292,336.68
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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.