Finding the Fourth Proportional to 125,495,098.72, 173,187,441.87 and 69,742,868.96
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Solution
The fourth proportional to 125,495,098.72, 173,187,441.87 and 69,742,868.96 is: 96,247,496.41
Step by Step Solution
- Step 1: Write the proportion equation
125,495,098.72 : 173,187,441.87 = 69,742,868.96 : x - Step 2: Convert to fraction form
125,495,098.72/173,187,441.87 = 69,742,868.96/x - Step 3: Cross multiply
125,495,098.72x = 173,187,441.87 × 69,742,868.96 - Step 4: Simplify right side
125,495,098.72x = 12,078,589,063,857,026 - Step 5: Solve for x
x = 12,078,589,063,857,026/125,495,098.72 - Step 6: Final answer
x = 96,247,496.41
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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.