Finding the Fourth Proportional to 235,179,901.84, 324,531,417.66 and 129,340,769.50
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Solution
The fourth proportional to 235,179,901.84, 324,531,417.66 and 129,340,769.50 is: 178,480,996.71
Step by Step Solution
- Step 1: Write the proportion equation
235,179,901.84 : 324,531,417.66 = 129,340,769.50 : x - Step 2: Convert to fraction form
235,179,901.84/324,531,417.66 = 129,340,769.50/x - Step 3: Cross multiply
235,179,901.84x = 324,531,417.66 × 129,340,769.50 - Step 4: Simplify right side
235,179,901.84x = 41,975,143,287,070,296 - Step 5: Solve for x
x = 41,975,143,287,070,296/235,179,901.84 - Step 6: Final answer
x = 178,480,996.71
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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.