Finding the Fourth Proportional to 87,613,336.34, 120,943,633.49 and 54,589,901.40
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Solution
The fourth proportional to 87,613,336.34, 120,943,633.49 and 54,589,901.40 is: 75,357,260.70
Step by Step Solution
- Step 1: Write the proportion equation
87,613,336.34 : 120,943,633.49 = 54,589,901.40 : x - Step 2: Convert to fraction form
87,613,336.34/120,943,633.49 = 54,589,901.40/x - Step 3: Cross multiply
87,613,336.34x = 120,943,633.49 × 54,589,901.40 - Step 4: Simplify right side
87,613,336.34x = 6,602,301,026,903,888 - Step 5: Solve for x
x = 6,602,301,026,903,888/87,613,336.34 - Step 6: Final answer
x = 75,357,260.70
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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.