Finding the Fourth Proportional to 122,368,504.64, 183,551,512.80 and 31,491,740.48
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Solution
The fourth proportional to 122,368,504.64, 183,551,512.80 and 31,491,740.48 is: 47,237,290.53
Step by Step Solution
- Step 1: Write the proportion equation
122,368,504.64 : 183,551,512.80 = 31,491,740.48 : x - Step 2: Convert to fraction form
122,368,504.64/183,551,512.80 = 31,491,740.48/x - Step 3: Cross multiply
122,368,504.64x = 183,551,512.80 × 31,491,740.48 - Step 4: Simplify right side
122,368,504.64x = 5,780,356,605,808,999 - Step 5: Solve for x
x = 5,780,356,605,808,999/122,368,504.64 - Step 6: Final answer
x = 47,237,290.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.