Finding the Fourth Proportional to 221,178,749.04, 331,916,106.00 and 91,786,354.77
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Solution
The fourth proportional to 221,178,749.04, 331,916,106.00 and 91,786,354.77 is: 137,740,942.98
Step by Step Solution
- Step 1: Write the proportion equation
221,178,749.04 : 331,916,106.00 = 91,786,354.77 : x - Step 2: Convert to fraction form
221,178,749.04/331,916,106.00 = 91,786,354.77/x - Step 3: Cross multiply
221,178,749.04x = 331,916,106.00 × 91,786,354.77 - Step 4: Simplify right side
221,178,749.04x = 30,465,369,460,781,560 - Step 5: Solve for x
x = 30,465,369,460,781,560/221,178,749.04 - Step 6: Final answer
x = 137,740,942.98
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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.