Finding the Fourth Proportional to 239,398,805.03, 330,370,201.67 and 129,390,518.03
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Solution
The fourth proportional to 239,398,805.03, 330,370,201.67 and 129,390,518.03 is: 178,558,834.20
Step by Step Solution
- Step 1: Write the proportion equation
239,398,805.03 : 330,370,201.67 = 129,390,518.03 : x - Step 2: Convert to fraction form
239,398,805.03/330,370,201.67 = 129,390,518.03/x - Step 3: Cross multiply
239,398,805.03x = 330,370,201.67 × 129,390,518.03 - Step 4: Simplify right side
239,398,805.03x = 42,746,771,533,458,072 - Step 5: Solve for x
x = 42,746,771,533,458,072/239,398,805.03 - Step 6: Final answer
x = 178,558,834.20
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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.