Finding the Fourth Proportional to 98,156,513.99, 147,218,800.39 and 46,341,016.49
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Solution
The fourth proportional to 98,156,513.99, 147,218,800.39 and 46,341,016.49 is: 69,503,984.80
Step by Step Solution
- Step 1: Write the proportion equation
98,156,513.99 : 147,218,800.39 = 46,341,016.49 : x - Step 2: Convert to fraction form
98,156,513.99/147,218,800.39 = 46,341,016.49/x - Step 3: Cross multiply
98,156,513.99x = 147,218,800.39 × 46,341,016.49 - Step 4: Simplify right side
98,156,513.99x = 6,822,268,855,659,061 - Step 5: Solve for x
x = 6,822,268,855,659,061/98,156,513.99 - Step 6: Final answer
x = 69,503,984.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.