Finding the Fourth Proportional to 117,546,234.23, 175,935,679.41 and 86,413,650.23
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Solution
The fourth proportional to 117,546,234.23, 175,935,679.41 and 86,413,650.23 is: 129,338,420.44
Step by Step Solution
- Step 1: Write the proportion equation
117,546,234.23 : 175,935,679.41 = 86,413,650.23 : x - Step 2: Convert to fraction form
117,546,234.23/175,935,679.41 = 86,413,650.23/x - Step 3: Cross multiply
117,546,234.23x = 175,935,679.41 × 86,413,650.23 - Step 4: Simplify right side
117,546,234.23x = 15,203,244,263,513,154 - Step 5: Solve for x
x = 15,203,244,263,513,154/117,546,234.23 - Step 6: Final answer
x = 129,338,420.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.