Finding the Fourth Proportional to 80,960,816.35, 121,441,126.11 and 26,373,312.75
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Solution
The fourth proportional to 80,960,816.35, 121,441,126.11 and 26,373,312.75 is: 39,559,937.07
Step by Step Solution
- Step 1: Write the proportion equation
80,960,816.35 : 121,441,126.11 = 26,373,312.75 : x - Step 2: Convert to fraction form
80,960,816.35/121,441,126.11 = 26,373,312.75/x - Step 3: Cross multiply
80,960,816.35x = 121,441,126.11 × 26,373,312.75 - Step 4: Simplify right side
80,960,816.35x = 3,202,804,800,115,943.50 - Step 5: Solve for x
x = 3,202,804,800,115,943.50/80,960,816.35 - Step 6: Final answer
x = 39,559,937.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.