Finding the Fourth Proportional to 307,115,182, 423,821,771.19 and 174,954,219.79
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Solution
The fourth proportional to 307,115,182, 423,821,771.19 and 174,954,219.79 is: 241,438,429.80
Step by Step Solution
- Step 1: Write the proportion equation
307,115,182 : 423,821,771.19 = 174,954,219.79 : x - Step 2: Convert to fraction form
307,115,182/423,821,771.19 = 174,954,219.79/x - Step 3: Cross multiply
307,115,182x = 423,821,771.19 × 174,954,219.79 - Step 4: Simplify right side
307,115,182x = 74,149,407,308,562,352 - Step 5: Solve for x
x = 74,149,407,308,562,352/307,115,182 - Step 6: Final answer
x = 241,438,429.80
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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.