Finding the Fourth Proportional to 77,213,367.74, 115,819,958.67 and 19,705,645.05
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Solution
The fourth proportional to 77,213,367.74, 115,819,958.67 and 19,705,645.05 is: 29,558,443.86
Step by Step Solution
- Step 1: Write the proportion equation
77,213,367.74 : 115,819,958.67 = 19,705,645.05 : x - Step 2: Convert to fraction form
77,213,367.74/115,819,958.67 = 19,705,645.05/x - Step 3: Cross multiply
77,213,367.74x = 115,819,958.67 × 19,705,645.05 - Step 4: Simplify right side
77,213,367.74x = 2,282,306,995,256,690 - Step 5: Solve for x
x = 2,282,306,995,256,690/77,213,367.74 - Step 6: Final answer
x = 29,558,443.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.