Finding the Fourth Proportional to 76,256,139.63, 105,234,177.20 and 41,448,911.97
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Solution
The fourth proportional to 76,256,139.63, 105,234,177.20 and 41,448,911.97 is: 57,199,881.45
Step by Step Solution
- Step 1: Write the proportion equation
76,256,139.63 : 105,234,177.20 = 41,448,911.97 : x - Step 2: Convert to fraction form
76,256,139.63/105,234,177.20 = 41,448,911.97/x - Step 3: Cross multiply
76,256,139.63x = 105,234,177.20 × 41,448,911.97 - Step 4: Simplify right side
76,256,139.63x = 4,361,842,146,790,936 - Step 5: Solve for x
x = 4,361,842,146,790,936/76,256,139.63 - Step 6: Final answer
x = 57,199,881.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.