Finding the Fourth Proportional to 91,023,074.04, 125,624,131.11 and 51,338,750.70
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Solution
The fourth proportional to 91,023,074.04, 125,624,131.11 and 51,338,750.70 is: 70,854,407.16
Step by Step Solution
- Step 1: Write the proportion equation
91,023,074.04 : 125,624,131.11 = 51,338,750.70 : x - Step 2: Convert to fraction form
91,023,074.04/125,624,131.11 = 51,338,750.70/x - Step 3: Cross multiply
91,023,074.04x = 125,624,131.11 × 51,338,750.70 - Step 4: Simplify right side
91,023,074.04x = 6,449,385,948,960,405 - Step 5: Solve for x
x = 6,449,385,948,960,405/91,023,074.04 - Step 6: Final answer
x = 70,854,407.16
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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.