Finding the Fourth Proportional to 221,438,701.80, 332,158,052.70 and 119,402,029.80
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Solution
The fourth proportional to 221,438,701.80, 332,158,052.70 and 119,402,029.80 is: 179,103,044.70
Step by Step Solution
- Step 1: Write the proportion equation
221,438,701.80 : 332,158,052.70 = 119,402,029.80 : x - Step 2: Convert to fraction form
221,438,701.80/332,158,052.70 = 119,402,029.80/x - Step 3: Cross multiply
221,438,701.80x = 332,158,052.70 × 119,402,029.80 - Step 4: Simplify right side
221,438,701.80x = 39,660,345,706,795,368 - Step 5: Solve for x
x = 39,660,345,706,795,368/221,438,701.80 - Step 6: Final answer
x = 179,103,044.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.