Finding the Fourth Proportional to 107,399,305.20, 161,179,187.88 and 72,773,605.80
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Solution
The fourth proportional to 107,399,305.20, 161,179,187.88 and 72,773,605.80 is: 109,214,772.48
Step by Step Solution
- Step 1: Write the proportion equation
107,399,305.20 : 161,179,187.88 = 72,773,605.80 : x - Step 2: Convert to fraction form
107,399,305.20/161,179,187.88 = 72,773,605.80/x - Step 3: Cross multiply
107,399,305.20x = 161,179,187.88 × 72,773,605.80 - Step 4: Simplify right side
107,399,305.20x = 11,729,590,681,943,256 - Step 5: Solve for x
x = 11,729,590,681,943,256/107,399,305.20 - Step 6: Final answer
x = 109,214,772.48
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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.