Finding the Fourth Proportional to 67,877,338.41, 93,680,815.41 and 39,991,133.07
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Solution
The fourth proportional to 67,877,338.41, 93,680,815.41 and 39,991,133.07 is: 55,193,707.40
Step by Step Solution
- Step 1: Write the proportion equation
67,877,338.41 : 93,680,815.41 = 39,991,133.07 : x - Step 2: Convert to fraction form
67,877,338.41/93,680,815.41 = 39,991,133.07/x - Step 3: Cross multiply
67,877,338.41x = 93,680,815.41 × 39,991,133.07 - Step 4: Simplify right side
67,877,338.41x = 3,746,401,955,167,416.50 - Step 5: Solve for x
x = 3,746,401,955,167,416.50/67,877,338.41 - Step 6: Final answer
x = 55,193,707.40
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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.