Finding the Fourth Proportional to 74,069,847.36, 102,251,833.97 and 49,331,203.20
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Solution
The fourth proportional to 74,069,847.36, 102,251,833.97 and 49,331,203.20 is: 68,100,666.85
Step by Step Solution
- Step 1: Write the proportion equation
74,069,847.36 : 102,251,833.97 = 49,331,203.20 : x - Step 2: Convert to fraction form
74,069,847.36/102,251,833.97 = 49,331,203.20/x - Step 3: Cross multiply
74,069,847.36x = 102,251,833.97 × 49,331,203.20 - Step 4: Simplify right side
74,069,847.36x = 5,044,205,998,900,077 - Step 5: Solve for x
x = 5,044,205,998,900,077/74,069,847.36 - Step 6: Final answer
x = 68,100,666.85
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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.