Finding the Fourth Proportional to 250,384,173.60, 345,130,921.16 and 197,374,434.68
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Solution
The fourth proportional to 250,384,173.60, 345,130,921.16 and 197,374,434.68 is: 272,062,005.66
Step by Step Solution
- Step 1: Write the proportion equation
250,384,173.60 : 345,130,921.16 = 197,374,434.68 : x - Step 2: Convert to fraction form
250,384,173.60/345,130,921.16 = 197,374,434.68/x - Step 3: Cross multiply
250,384,173.60x = 345,130,921.16 × 197,374,434.68 - Step 4: Simplify right side
250,384,173.60x = 68,120,020,454,542,656 - Step 5: Solve for x
x = 68,120,020,454,542,656/250,384,173.60 - Step 6: Final answer
x = 272,062,005.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.