Finding the Fourth Proportional to 125,633,207.69, 173,371,340.41 and 69,877,428.74
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Solution
The fourth proportional to 125,633,207.69, 173,371,340.41 and 69,877,428.74 is: 96,429,468.82
Step by Step Solution
- Step 1: Write the proportion equation
125,633,207.69 : 173,371,340.41 = 69,877,428.74 : x - Step 2: Convert to fraction form
125,633,207.69/173,371,340.41 = 69,877,428.74/x - Step 3: Cross multiply
125,633,207.69x = 173,371,340.41 × 69,877,428.74 - Step 4: Simplify right side
125,633,207.69x = 12,114,743,483,841,814 - Step 5: Solve for x
x = 12,114,743,483,841,814/125,633,207.69 - Step 6: Final answer
x = 96,429,468.82
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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.