Finding the Fourth Proportional to 102,528,955.21, 141,491,287.14 and 56,118,212.68
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Solution
The fourth proportional to 102,528,955.21, 141,491,287.14 and 56,118,212.68 is: 77,443,860.89
Step by Step Solution
- Step 1: Write the proportion equation
102,528,955.21 : 141,491,287.14 = 56,118,212.68 : x - Step 2: Convert to fraction form
102,528,955.21/141,491,287.14 = 56,118,212.68/x - Step 3: Cross multiply
102,528,955.21x = 141,491,287.14 × 56,118,212.68 - Step 4: Simplify right side
102,528,955.21x = 7,940,238,144,089,468 - Step 5: Solve for x
x = 7,940,238,144,089,468/102,528,955.21 - Step 6: Final answer
x = 77,443,860.89
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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.