Finding the Fourth Proportional to 133,059,712.30, 199,589,568.45 and 97,227,904.30
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Solution
The fourth proportional to 133,059,712.30, 199,589,568.45 and 97,227,904.30 is: 145,841,856.45
Step by Step Solution
- Step 1: Write the proportion equation
133,059,712.30 : 199,589,568.45 = 97,227,904.30 : x - Step 2: Convert to fraction form
133,059,712.30/199,589,568.45 = 97,227,904.30/x - Step 3: Cross multiply
133,059,712.30x = 199,589,568.45 × 97,227,904.30 - Step 4: Simplify right side
133,059,712.30x = 19,405,675,460,534,896 - Step 5: Solve for x
x = 19,405,675,460,534,896/133,059,712.30 - Step 6: Final answer
x = 145,841,856.45
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Double scale
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Similar ratio
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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.