Finding the Fourth Proportional to 239,167,351.94, 330,050,949.81 and 129,159,064.94
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Solution
The fourth proportional to 239,167,351.94, 330,050,949.81 and 129,159,064.94 is: 178,239,511.85
Step by Step Solution
- Step 1: Write the proportion equation
239,167,351.94 : 330,050,949.81 = 129,159,064.94 : x - Step 2: Convert to fraction form
239,167,351.94/330,050,949.81 = 129,159,064.94/x - Step 3: Cross multiply
239,167,351.94x = 330,050,949.81 × 129,159,064.94 - Step 4: Simplify right side
239,167,351.94x = 42,629,072,060,018,472 - Step 5: Solve for x
x = 42,629,072,060,018,472/239,167,351.94 - Step 6: Final answer
x = 178,239,511.85
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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.