Finding the Fourth Proportional to 129,325,316.56, 194,018,860.80 and 43,064,470.96
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Solution
The fourth proportional to 129,325,316.56, 194,018,860.80 and 43,064,470.96 is: 64,606,991.26
Step by Step Solution
- Step 1: Write the proportion equation
129,325,316.56 : 194,018,860.80 = 43,064,470.96 : x - Step 2: Convert to fraction form
129,325,316.56/194,018,860.80 = 43,064,470.96/x - Step 3: Cross multiply
129,325,316.56x = 194,018,860.80 × 43,064,470.96 - Step 4: Simplify right side
129,325,316.56x = 8,355,319,596,613,883 - Step 5: Solve for x
x = 8,355,319,596,613,883/129,325,316.56 - Step 6: Final answer
x = 64,606,991.26
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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.