Finding the Fourth Proportional to 291,135,571.14, 436,854,495.30 and 118,738,863.30
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Solution
The fourth proportional to 291,135,571.14, 436,854,495.30 and 118,738,863.30 is: 178,169,936.42
Step by Step Solution
- Step 1: Write the proportion equation
291,135,571.14 : 436,854,495.30 = 118,738,863.30 : x - Step 2: Convert to fraction form
291,135,571.14/436,854,495.30 = 118,738,863.30/x - Step 3: Cross multiply
291,135,571.14x = 436,854,495.30 × 118,738,863.30 - Step 4: Simplify right side
291,135,571.14x = 51,871,606,199,417,192 - Step 5: Solve for x
x = 51,871,606,199,417,192/291,135,571.14 - Step 6: Final answer
x = 178,169,936.42
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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.