Finding the Fourth Proportional to 105,171,438.56, 145,144,095.62 and 58,127,499.99
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Solution
The fourth proportional to 105,171,438.56, 145,144,095.62 and 58,127,499.99 is: 80,220,100.94
Step by Step Solution
- Step 1: Write the proportion equation
105,171,438.56 : 145,144,095.62 = 58,127,499.99 : x - Step 2: Convert to fraction form
105,171,438.56/145,144,095.62 = 58,127,499.99/x - Step 3: Cross multiply
105,171,438.56x = 145,144,095.62 × 58,127,499.99 - Step 4: Simplify right side
105,171,438.56x = 8,436,863,416,409,472 - Step 5: Solve for x
x = 8,436,863,416,409,472/105,171,438.56 - Step 6: Final answer
x = 80,220,100.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.