Finding the Fourth Proportional to 86,697,578.10, 119,526,917.18 and 68,874,934.26
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Solution
The fourth proportional to 86,697,578.10, 119,526,917.18 and 68,874,934.26 is: 94,955,461.77
Step by Step Solution
- Step 1: Write the proportion equation
86,697,578.10 : 119,526,917.18 = 68,874,934.26 : x - Step 2: Convert to fraction form
86,697,578.10/119,526,917.18 = 68,874,934.26/x - Step 3: Cross multiply
86,697,578.10x = 119,526,917.18 × 68,874,934.26 - Step 4: Simplify right side
86,697,578.10x = 8,232,408,563,072,966 - Step 5: Solve for x
x = 8,232,408,563,072,966/86,697,578.10 - Step 6: Final answer
x = 94,955,461.77
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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.