Finding the Fourth Proportional to 245,066,847.17, 338,204,239.36 and 137,809,926.05
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Solution
The fourth proportional to 245,066,847.17, 338,204,239.36 and 137,809,926.05 is: 190,184,440.50
Step by Step Solution
- Step 1: Write the proportion equation
245,066,847.17 : 338,204,239.36 = 137,809,926.05 : x - Step 2: Convert to fraction form
245,066,847.17/338,204,239.36 = 137,809,926.05/x - Step 3: Cross multiply
245,066,847.17x = 338,204,239.36 × 137,809,926.05 - Step 4: Simplify right side
245,066,847.17x = 46,607,901,213,962,552 - Step 5: Solve for x
x = 46,607,901,213,962,552/245,066,847.17 - Step 6: Final answer
x = 190,184,440.50
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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.