Finding the Fourth Proportional to 306,615,725.44, 459,897,679.36 and 99,349,749.12
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Solution
The fourth proportional to 306,615,725.44, 459,897,679.36 and 99,349,749.12 is: 149,016,228.70
Step by Step Solution
- Step 1: Write the proportion equation
306,615,725.44 : 459,897,679.36 = 99,349,749.12 : x - Step 2: Convert to fraction form
306,615,725.44/459,897,679.36 = 99,349,749.12/x - Step 3: Cross multiply
306,615,725.44x = 459,897,679.36 × 99,349,749.12 - Step 4: Simplify right side
306,615,725.44x = 45,690,719,065,286,208 - Step 5: Solve for x
x = 45,690,719,065,286,208/306,615,725.44 - Step 6: Final answer
x = 149,016,228.70
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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.