Finding the Fourth Proportional to 177,121,129.70, 265,731,460.95 and 86,247,683.30
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Solution
The fourth proportional to 177,121,129.70, 265,731,460.95 and 86,247,683.30 is: 129,395,758.29
Step by Step Solution
- Step 1: Write the proportion equation
177,121,129.70 : 265,731,460.95 = 86,247,683.30 : x - Step 2: Convert to fraction form
177,121,129.70/265,731,460.95 = 86,247,683.30/x - Step 3: Cross multiply
177,121,129.70x = 265,731,460.95 × 86,247,683.30 - Step 4: Simplify right side
177,121,129.70x = 22,918,722,886,861,916 - Step 5: Solve for x
x = 22,918,722,886,861,916/177,121,129.70 - Step 6: Final answer
x = 129,395,758.29
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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.