Finding the Fourth Proportional to 68,031,826.97, 93,881,216.69 and 40,163,514.05
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Solution
The fourth proportional to 68,031,826.97, 93,881,216.69 and 40,163,514.05 is: 55,424,052.73
Step by Step Solution
- Step 1: Write the proportion equation
68,031,826.97 : 93,881,216.69 = 40,163,514.05 : x - Step 2: Convert to fraction form
68,031,826.97/93,881,216.69 = 40,163,514.05/x - Step 3: Cross multiply
68,031,826.97x = 93,881,216.69 × 40,163,514.05 - Step 4: Simplify right side
68,031,826.97x = 3,770,599,565,559,909 - Step 5: Solve for x
x = 3,770,599,565,559,909/68,031,826.97 - Step 6: Final answer
x = 55,424,052.73
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.