Finding the Fourth Proportional to 80,942,449.08, 121,353,837.24 and 42,025,024.68
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Solution
The fourth proportional to 80,942,449.08, 121,353,837.24 and 42,025,024.68 is: 63,006,470.19
Step by Step Solution
- Step 1: Write the proportion equation
80,942,449.08 : 121,353,837.24 = 42,025,024.68 : x - Step 2: Convert to fraction form
80,942,449.08/121,353,837.24 = 42,025,024.68/x - Step 3: Cross multiply
80,942,449.08x = 121,353,837.24 × 42,025,024.68 - Step 4: Simplify right side
80,942,449.08x = 5,099,898,005,023,703 - Step 5: Solve for x
x = 5,099,898,005,023,703/80,942,449.08 - Step 6: Final answer
x = 63,006,470.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.