Finding the Fourth Proportional to 71,041,826.40, 98,037,718.96 and 38,446,778.08
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Solution
The fourth proportional to 71,041,826.40, 98,037,718.96 and 38,446,778.08 is: 53,056,552.95
Step by Step Solution
- Step 1: Write the proportion equation
71,041,826.40 : 98,037,718.96 = 38,446,778.08 : x - Step 2: Convert to fraction form
71,041,826.40/98,037,718.96 = 38,446,778.08/x - Step 3: Cross multiply
71,041,826.40x = 98,037,718.96 × 38,446,778.08 - Step 4: Simplify right side
71,041,826.40x = 3,769,234,424,324,528 - Step 5: Solve for x
x = 3,769,234,424,324,528/71,041,826.40 - Step 6: Final answer
x = 53,056,552.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.