Finding the Fourth Proportional to 78,782,449.44, 108,737,920.26 and 46,197,899.04
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Solution
The fourth proportional to 78,782,449.44, 108,737,920.26 and 46,197,899.04 is: 63,763,737.96
Step by Step Solution
- Step 1: Write the proportion equation
78,782,449.44 : 108,737,920.26 = 46,197,899.04 : x - Step 2: Convert to fraction form
78,782,449.44/108,737,920.26 = 46,197,899.04/x - Step 3: Cross multiply
78,782,449.44x = 108,737,920.26 × 46,197,899.04 - Step 4: Simplify right side
78,782,449.44x = 5,023,463,461,991,051 - Step 5: Solve for x
x = 5,023,463,461,991,051/78,782,449.44 - Step 6: Final answer
x = 63,763,737.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.