Finding the Fourth Proportional to 73,351,454.94, 101,218,434.48 and 40,311,323.28
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Solution
The fourth proportional to 73,351,454.94, 101,218,434.48 and 40,311,323.28 is: 55,626,013.66
Step by Step Solution
- Step 1: Write the proportion equation
73,351,454.94 : 101,218,434.48 = 40,311,323.28 : x - Step 2: Convert to fraction form
73,351,454.94/101,218,434.48 = 40,311,323.28/x - Step 3: Cross multiply
73,351,454.94x = 101,218,434.48 × 40,311,323.28 - Step 4: Simplify right side
73,351,454.94x = 4,080,249,034,218,779 - Step 5: Solve for x
x = 4,080,249,034,218,779/73,351,454.94 - Step 6: Final answer
x = 55,626,013.66
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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.