Finding the Fourth Proportional to 257,433,101.40, 386,149,652.10 and 119,258,441.40
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Solution
The fourth proportional to 257,433,101.40, 386,149,652.10 and 119,258,441.40 is: 178,887,662.10
Step by Step Solution
- Step 1: Write the proportion equation
257,433,101.40 : 386,149,652.10 = 119,258,441.40 : x - Step 2: Convert to fraction form
257,433,101.40/386,149,652.10 = 119,258,441.40/x - Step 3: Cross multiply
257,433,101.40x = 386,149,652.10 × 119,258,441.40 - Step 4: Simplify right side
257,433,101.40x = 46,051,605,656,598,240 - Step 5: Solve for x
x = 46,051,605,656,598,240/257,433,101.40 - Step 6: Final answer
x = 178,887,662.10
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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.