Finding the Fourth Proportional to 68,877,720.86, 95,051,246.26 and 37,937,890.14
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Solution
The fourth proportional to 68,877,720.86, 95,051,246.26 and 37,937,890.14 is: 52,354,283.70
Step by Step Solution
- Step 1: Write the proportion equation
68,877,720.86 : 95,051,246.26 = 37,937,890.14 : x - Step 2: Convert to fraction form
68,877,720.86/95,051,246.26 = 37,937,890.14/x - Step 3: Cross multiply
68,877,720.86x = 95,051,246.26 × 37,937,890.14 - Step 4: Simplify right side
68,877,720.86x = 3,606,043,738,281,966 - Step 5: Solve for x
x = 3,606,043,738,281,966/68,877,720.86 - Step 6: Final answer
x = 52,354,283.70
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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.