Finding the Fourth Proportional to 77,122,290.24, 115,682,936.00 and 19,614,064.55
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Solution
The fourth proportional to 77,122,290.24, 115,682,936.00 and 19,614,064.55 is: 29,420,969.82
Step by Step Solution
- Step 1: Write the proportion equation
77,122,290.24 : 115,682,936.00 = 19,614,064.55 : x - Step 2: Convert to fraction form
77,122,290.24/115,682,936.00 = 19,614,064.55/x - Step 3: Cross multiply
77,122,290.24x = 115,682,936.00 × 19,614,064.55 - Step 4: Simplify right side
77,122,290.24x = 2,269,012,573,361,034 - Step 5: Solve for x
x = 2,269,012,573,361,034/77,122,290.24 - Step 6: Final answer
x = 29,420,969.82
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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.