Finding the Fourth Proportional to 230,943,563.76, 318,699,462.09 and 125,094,983.57
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Solution
The fourth proportional to 230,943,563.76, 318,699,462.09 and 125,094,983.57 is: 172,629,638.71
Step by Step Solution
- Step 1: Write the proportion equation
230,943,563.76 : 318,699,462.09 = 125,094,983.57 : x - Step 2: Convert to fraction form
230,943,563.76/318,699,462.09 = 125,094,983.57/x - Step 3: Cross multiply
230,943,563.76x = 318,699,462.09 × 125,094,983.57 - Step 4: Simplify right side
230,943,563.76x = 39,867,703,973,916,384 - Step 5: Solve for x
x = 39,867,703,973,916,384/230,943,563.76 - Step 6: Final answer
x = 172,629,638.71
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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.