Finding the Fourth Proportional to 172,121,652.23, 258,041,794.05 and 80,062,785
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Solution
The fourth proportional to 172,121,652.23, 258,041,794.05 and 80,062,785 is: 120,028,737.88
Step by Step Solution
- Step 1: Write the proportion equation
172,121,652.23 : 258,041,794.05 = 80,062,785 : x - Step 2: Convert to fraction form
172,121,652.23/258,041,794.05 = 80,062,785/x - Step 3: Cross multiply
172,121,652.23x = 258,041,794.05 × 80,062,785 - Step 4: Simplify right side
172,121,652.23x = 20,659,544,678,039,432 - Step 5: Solve for x
x = 20,659,544,678,039,432/172,121,652.23 - Step 6: Final answer
x = 120,028,737.88
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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.