Finding the Fourth Proportional to 221,177,354.40, 331,753,631.04 and 67,822,989.84
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Solution
The fourth proportional to 221,177,354.40, 331,753,631.04 and 67,822,989.84 is: 101,730,682.19
Step by Step Solution
- Step 1: Write the proportion equation
221,177,354.40 : 331,753,631.04 = 67,822,989.84 : x - Step 2: Convert to fraction form
221,177,354.40/331,753,631.04 = 67,822,989.84/x - Step 3: Cross multiply
221,177,354.40x = 331,753,631.04 × 67,822,989.84 - Step 4: Simplify right side
221,177,354.40x = 22,500,523,147,409,032 - Step 5: Solve for x
x = 22,500,523,147,409,032/221,177,354.40 - Step 6: Final answer
x = 101,730,682.19
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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.