Finding the Fourth Proportional to 75,814,737.46, 104,688,113.57 and 47,986,539.93
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Solution
The fourth proportional to 75,814,737.46, 104,688,113.57 and 47,986,539.93 is: 66,261,791.71
Step by Step Solution
- Step 1: Write the proportion equation
75,814,737.46 : 104,688,113.57 = 47,986,539.93 : x - Step 2: Convert to fraction form
75,814,737.46/104,688,113.57 = 47,986,539.93/x - Step 3: Cross multiply
75,814,737.46x = 104,688,113.57 × 47,986,539.93 - Step 4: Simplify right side
75,814,737.46x = 5,023,620,342,245,335 - Step 5: Solve for x
x = 5,023,620,342,245,335/75,814,737.46 - Step 6: Final answer
x = 66,261,791.71
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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.