Finding the Fourth Proportional to 80,942,451.08, 121,353,840.24 and 42,025,026.68
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Solution
The fourth proportional to 80,942,451.08, 121,353,840.24 and 42,025,026.68 is: 63,006,473.19
Step by Step Solution
- Step 1: Write the proportion equation
80,942,451.08 : 121,353,840.24 = 42,025,026.68 : x - Step 2: Convert to fraction form
80,942,451.08/121,353,840.24 = 42,025,026.68/x - Step 3: Cross multiply
80,942,451.08x = 121,353,840.24 × 42,025,026.68 - Step 4: Simplify right side
80,942,451.08x = 5,099,898,373,806,457 - Step 5: Solve for x
x = 5,099,898,373,806,457/80,942,451.08 - Step 6: Final answer
x = 63,006,473.19
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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.