Finding the Fourth Proportional to 86,989,285.41, 130,397,738.92 and 40,848,557.99
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Solution
The fourth proportional to 86,989,285.41, 130,397,738.92 and 40,848,557.99 is: 61,232,364.14
Step by Step Solution
- Step 1: Write the proportion equation
86,989,285.41 : 130,397,738.92 = 40,848,557.99 : x - Step 2: Convert to fraction form
86,989,285.41/130,397,738.92 = 40,848,557.99/x - Step 3: Cross multiply
86,989,285.41x = 130,397,738.92 × 40,848,557.99 - Step 4: Simplify right side
86,989,285.41x = 5,326,559,600,247,447 - Step 5: Solve for x
x = 5,326,559,600,247,447/86,989,285.41 - Step 6: Final answer
x = 61,232,364.14
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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.