Finding the Fourth Proportional to 87,296,634.36, 120,466,719.18 and 48,138,391.80
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Solution
The fourth proportional to 87,296,634.36, 120,466,719.18 and 48,138,391.80 is: 66,429,526.97
Step by Step Solution
- Step 1: Write the proportion equation
87,296,634.36 : 120,466,719.18 = 48,138,391.80 : x - Step 2: Convert to fraction form
87,296,634.36/120,466,719.18 = 48,138,391.80/x - Step 3: Cross multiply
87,296,634.36x = 120,466,719.18 × 48,138,391.80 - Step 4: Simplify right side
87,296,634.36x = 5,799,074,126,747,415 - Step 5: Solve for x
x = 5,799,074,126,747,415/87,296,634.36 - Step 6: Final answer
x = 66,429,526.97
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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.