Finding the Fourth Proportional to 107,798,537.60, 161,704,804.80 and 56,780,201.60
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Solution
The fourth proportional to 107,798,537.60, 161,704,804.80 and 56,780,201.60 is: 85,173,988.63
Step by Step Solution
- Step 1: Write the proportion equation
107,798,537.60 : 161,704,804.80 = 56,780,201.60 : x - Step 2: Convert to fraction form
107,798,537.60/161,704,804.80 = 56,780,201.60/x - Step 3: Cross multiply
107,798,537.60x = 161,704,804.80 × 56,780,201.60 - Step 4: Simplify right side
107,798,537.60x = 9,181,631,416,232,648 - Step 5: Solve for x
x = 9,181,631,416,232,648/107,798,537.60 - Step 6: Final answer
x = 85,173,988.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.