Finding the Fourth Proportional to 68,535,331.90, 102,792,885.68 and 20,000,153.97
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Solution
The fourth proportional to 68,535,331.90, 102,792,885.68 and 20,000,153.97 is: 29,997,280.00
Step by Step Solution
- Step 1: Write the proportion equation
68,535,331.90 : 102,792,885.68 = 20,000,153.97 : x - Step 2: Convert to fraction form
68,535,331.90/102,792,885.68 = 20,000,153.97/x - Step 3: Cross multiply
68,535,331.90x = 102,792,885.68 × 20,000,153.97 - Step 4: Simplify right side
68,535,331.90x = 2,055,873,540,620,608.25 - Step 5: Solve for x
x = 2,055,873,540,620,608.25/68,535,331.90 - Step 6: Final answer
x = 29,997,280.00
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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.