Finding the Fourth Proportional to 50,996,809.99, 70,373,544.63 and 27,791,438.74
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Solution
The fourth proportional to 50,996,809.99, 70,373,544.63 and 27,791,438.74 is: 38,351,066.56
Step by Step Solution
- Step 1: Write the proportion equation
50,996,809.99 : 70,373,544.63 = 27,791,438.74 : x - Step 2: Convert to fraction form
50,996,809.99/70,373,544.63 = 27,791,438.74/x - Step 3: Cross multiply
50,996,809.99x = 70,373,544.63 × 27,791,438.74 - Step 4: Simplify right side
50,996,809.99x = 1,955,782,054,501,300.75 - Step 5: Solve for x
x = 1,955,782,054,501,300.75/50,996,809.99 - Step 6: Final answer
x = 38,351,066.56
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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.