Finding the Fourth Proportional to 126,292,301.52, 189,445,243.14 and 40,037,434.31
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Solution
The fourth proportional to 126,292,301.52, 189,445,243.14 and 40,037,434.31 is: 60,058,304.32
Step by Step Solution
- Step 1: Write the proportion equation
126,292,301.52 : 189,445,243.14 = 40,037,434.31 : x - Step 2: Convert to fraction form
126,292,301.52/189,445,243.14 = 40,037,434.31/x - Step 3: Cross multiply
126,292,301.52x = 189,445,243.14 × 40,037,434.31 - Step 4: Simplify right side
126,292,301.52x = 7,584,901,477,559,728 - Step 5: Solve for x
x = 7,584,901,477,559,728/126,292,301.52 - Step 6: Final answer
x = 60,058,304.32
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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.