Finding the Fourth Proportional to 83,572,108.78, 125,292,232.44 and 52,801,830.62
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Solution
The fourth proportional to 83,572,108.78, 125,292,232.44 and 52,801,830.62 is: 79,161,090.13
Step by Step Solution
- Step 1: Write the proportion equation
83,572,108.78 : 125,292,232.44 = 52,801,830.62 : x - Step 2: Convert to fraction form
83,572,108.78/125,292,232.44 = 52,801,830.62/x - Step 3: Cross multiply
83,572,108.78x = 125,292,232.44 × 52,801,830.62 - Step 4: Simplify right side
83,572,108.78x = 6,615,659,235,298,549 - Step 5: Solve for x
x = 6,615,659,235,298,549/83,572,108.78 - Step 6: Final answer
x = 79,161,090.13
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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.