Finding the Fourth Proportional to 73,543,106.99, 101,486,212.40 and 42,158,656.44
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Solution
The fourth proportional to 73,543,106.99, 101,486,212.40 and 42,158,656.44 is: 58,177,068.35
Step by Step Solution
- Step 1: Write the proportion equation
73,543,106.99 : 101,486,212.40 = 42,158,656.44 : x - Step 2: Convert to fraction form
73,543,106.99/101,486,212.40 = 42,158,656.44/x - Step 3: Cross multiply
73,543,106.99x = 101,486,212.40 × 42,158,656.44 - Step 4: Simplify right side
73,543,106.99x = 4,278,522,362,073,864.50 - Step 5: Solve for x
x = 4,278,522,362,073,864.50/73,543,106.99 - Step 6: Final answer
x = 58,177,068.35
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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.