Finding the Fourth Proportional to 126,153,058.79, 189,228,794.13 and 67,888,182.23
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Solution
The fourth proportional to 126,153,058.79, 189,228,794.13 and 67,888,182.23 is: 101,831,846.02
Step by Step Solution
- Step 1: Write the proportion equation
126,153,058.79 : 189,228,794.13 = 67,888,182.23 : x - Step 2: Convert to fraction form
126,153,058.79/189,228,794.13 = 67,888,182.23/x - Step 3: Cross multiply
126,153,058.79x = 189,228,794.13 × 67,888,182.23 - Step 4: Simplify right side
126,153,058.79x = 12,846,398,857,775,008 - Step 5: Solve for x
x = 12,846,398,857,775,008/126,153,058.79 - Step 6: Final answer
x = 101,831,846.02
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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.