Finding the Fourth Proportional to 87,261,396.44, 120,421,557.56 and 48,104,577.59
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Solution
The fourth proportional to 87,261,396.44, 120,421,557.56 and 48,104,577.59 is: 66,384,774.89
Step by Step Solution
- Step 1: Write the proportion equation
87,261,396.44 : 120,421,557.56 = 48,104,577.59 : x - Step 2: Convert to fraction form
87,261,396.44/120,421,557.56 = 48,104,577.59/x - Step 3: Cross multiply
87,261,396.44x = 120,421,557.56 × 48,104,577.59 - Step 4: Simplify right side
87,261,396.44x = 5,792,828,158,671,825 - Step 5: Solve for x
x = 5,792,828,158,671,825/87,261,396.44 - Step 6: Final answer
x = 66,384,774.89
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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.