Finding the Fourth Proportional to 239,167,346.94, 330,050,942.91 and 129,159,059.94
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Solution
The fourth proportional to 239,167,346.94, 330,050,942.91 and 129,159,059.94 is: 178,239,504.95
Step by Step Solution
- Step 1: Write the proportion equation
239,167,346.94 : 330,050,942.91 = 129,159,059.94 : x - Step 2: Convert to fraction form
239,167,346.94/330,050,942.91 = 129,159,059.94/x - Step 3: Cross multiply
239,167,346.94x = 330,050,942.91 × 129,159,059.94 - Step 4: Simplify right side
239,167,346.94x = 42,629,069,518,566,208 - Step 5: Solve for x
x = 42,629,069,518,566,208/239,167,346.94 - Step 6: Final answer
x = 178,239,504.95
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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.