Finding the Fourth Proportional to 126,029,117.40, 189,185,393.70 and 97,402,162.20
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Solution
The fourth proportional to 126,029,117.40, 189,185,393.70 and 97,402,162.20 is: 146,212,770.38
Step by Step Solution
- Step 1: Write the proportion equation
126,029,117.40 : 189,185,393.70 = 97,402,162.20 : x - Step 2: Convert to fraction form
126,029,117.40/189,185,393.70 = 97,402,162.20/x - Step 3: Cross multiply
126,029,117.40x = 189,185,393.70 × 97,402,162.20 - Step 4: Simplify right side
126,029,117.40x = 18,427,066,403,038,256 - Step 5: Solve for x
x = 18,427,066,403,038,256/126,029,117.40 - Step 6: Final answer
x = 146,212,770.38
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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.