Finding the Fourth Proportional to 69,509,751.40, 104,301,951.90 and 29,124,317.80
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Solution
The fourth proportional to 69,509,751.40, 104,301,951.90 and 29,124,317.80 is: 43,702,115.65
Step by Step Solution
- Step 1: Write the proportion equation
69,509,751.40 : 104,301,951.90 = 29,124,317.80 : x - Step 2: Convert to fraction form
69,509,751.40/104,301,951.90 = 29,124,317.80/x - Step 3: Cross multiply
69,509,751.40x = 104,301,951.90 × 29,124,317.80 - Step 4: Simplify right side
69,509,751.40x = 3,037,723,194,295,914 - Step 5: Solve for x
x = 3,037,723,194,295,914/69,509,751.40 - Step 6: Final answer
x = 43,702,115.65
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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.