Finding the Fourth Proportional to 235,438,890.04, 324,903,089.82 and 129,590,042.23
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Solution
The fourth proportional to 235,438,890.04, 324,903,089.82 and 129,590,042.23 is: 178,832,839.06
Step by Step Solution
- Step 1: Write the proportion equation
235,438,890.04 : 324,903,089.82 = 129,590,042.23 : x - Step 2: Convert to fraction form
235,438,890.04/324,903,089.82 = 129,590,042.23/x - Step 3: Cross multiply
235,438,890.04x = 324,903,089.82 × 129,590,042.23 - Step 4: Simplify right side
235,438,890.04x = 42,104,205,130,431,280 - Step 5: Solve for x
x = 42,104,205,130,431,280/235,438,890.04 - Step 6: Final answer
x = 178,832,839.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.