Finding the Fourth Proportional to 68,496,683.12, 102,762,170.79 and 19,974,542.48
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Solution
The fourth proportional to 68,496,683.12, 102,762,170.79 and 19,974,542.48 is: 29,966,813.75
Step by Step Solution
- Step 1: Write the proportion equation
68,496,683.12 : 102,762,170.79 = 19,974,542.48 : x - Step 2: Convert to fraction form
68,496,683.12/102,762,170.79 = 19,974,542.48/x - Step 3: Cross multiply
68,496,683.12x = 102,762,170.79 × 19,974,542.48 - Step 4: Simplify right side
68,496,683.12x = 2,052,627,345,781,870.25 - Step 5: Solve for x
x = 2,052,627,345,781,870.25/68,496,683.12 - Step 6: Final answer
x = 29,966,813.75
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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.