Finding the Fourth Proportional to 68,217,515.91, 102,315,284.18 and 19,034,641.53
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Solution
The fourth proportional to 68,217,515.91, 102,315,284.18 and 19,034,641.53 is: 28,548,895.86
Step by Step Solution
- Step 1: Write the proportion equation
68,217,515.91 : 102,315,284.18 = 19,034,641.53 : x - Step 2: Convert to fraction form
68,217,515.91/102,315,284.18 = 19,034,641.53/x - Step 3: Cross multiply
68,217,515.91x = 102,315,284.18 × 19,034,641.53 - Step 4: Simplify right side
68,217,515.91x = 1,947,534,757,406,380.25 - Step 5: Solve for x
x = 1,947,534,757,406,380.25/68,217,515.91 - Step 6: Final answer
x = 28,548,895.86
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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.