Finding the Fourth Proportional to 82,779,683.87, 124,188,746.13 and 28,192,742.08
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Solution
The fourth proportional to 82,779,683.87, 124,188,746.13 and 28,192,742.08 is: 42,295,659.09
Step by Step Solution
- Step 1: Write the proportion equation
82,779,683.87 : 124,188,746.13 = 28,192,742.08 : x - Step 2: Convert to fraction form
82,779,683.87/124,188,746.13 = 28,192,742.08/x - Step 3: Cross multiply
82,779,683.87x = 124,188,746.13 × 28,192,742.08 - Step 4: Simplify right side
82,779,683.87x = 3,501,221,288,571,216 - Step 5: Solve for x
x = 3,501,221,288,571,216/82,779,683.87 - Step 6: Final answer
x = 42,295,659.09
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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.