Finding the Fourth Proportional to 55,993,823.80, 83,990,735.70 and 46,427,885.80
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Solution
The fourth proportional to 55,993,823.80, 83,990,735.70 and 46,427,885.80 is: 69,641,828.70
Step by Step Solution
- Step 1: Write the proportion equation
55,993,823.80 : 83,990,735.70 = 46,427,885.80 : x - Step 2: Convert to fraction form
55,993,823.80/83,990,735.70 = 46,427,885.80/x - Step 3: Cross multiply
55,993,823.80x = 83,990,735.70 × 46,427,885.80 - Step 4: Simplify right side
55,993,823.80x = 3,899,512,285,337,583 - Step 5: Solve for x
x = 3,899,512,285,337,583/55,993,823.80 - Step 6: Final answer
x = 69,641,828.70
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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.