Finding the Fourth Proportional to 84,437,737.83, 126,738,307.97 and 40,749,251.13
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Solution
The fourth proportional to 84,437,737.83, 126,738,307.97 and 40,749,251.13 is: 61,163,305.32
Step by Step Solution
- Step 1: Write the proportion equation
84,437,737.83 : 126,738,307.97 = 40,749,251.13 : x - Step 2: Convert to fraction form
84,437,737.83/126,738,307.97 = 40,749,251.13/x - Step 3: Cross multiply
84,437,737.83x = 126,738,307.97 × 40,749,251.13 - Step 4: Simplify right side
84,437,737.83x = 5,164,491,139,057,065 - Step 5: Solve for x
x = 5,164,491,139,057,065/84,437,737.83 - Step 6: Final answer
x = 61,163,305.32
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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.