Finding the Fourth Proportional to 256,183,146.02, 384,298,342.14 and 83,660,863.70
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Solution
The fourth proportional to 256,183,146.02, 384,298,342.14 and 83,660,863.70 is: 125,499,010.07
Step by Step Solution
- Step 1: Write the proportion equation
256,183,146.02 : 384,298,342.14 = 83,660,863.70 : x - Step 2: Convert to fraction form
256,183,146.02/384,298,342.14 = 83,660,863.70/x - Step 3: Cross multiply
256,183,146.02x = 384,298,342.14 × 83,660,863.70 - Step 4: Simplify right side
256,183,146.02x = 32,150,731,221,910,508 - Step 5: Solve for x
x = 32,150,731,221,910,508/256,183,146.02 - Step 6: Final answer
x = 125,499,010.07
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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.