Finding the Fourth Proportional to 239,565,911.40, 330,601,954.14 and 129,557,624.40
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Solution
The fourth proportional to 239,565,911.40, 330,601,954.14 and 129,557,624.40 is: 178,790,060.53
Step by Step Solution
- Step 1: Write the proportion equation
239,565,911.40 : 330,601,954.14 = 129,557,624.40 : x - Step 2: Convert to fraction form
239,565,911.40/330,601,954.14 = 129,557,624.40/x - Step 3: Cross multiply
239,565,911.40x = 330,601,954.14 × 129,557,624.40 - Step 4: Simplify right side
239,565,911.40x = 42,832,003,800,376,144 - Step 5: Solve for x
x = 42,832,003,800,376,144/239,565,911.40 - Step 6: Final answer
x = 178,790,060.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.