Finding the Fourth Proportional to 83,144,259.91, 124,652,813.50 and 50,347,690.93
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Solution
The fourth proportional to 83,144,259.91, 124,652,813.50 and 50,347,690.93 is: 75,483,037.96
Step by Step Solution
- Step 1: Write the proportion equation
83,144,259.91 : 124,652,813.50 = 50,347,690.93 : x - Step 2: Convert to fraction form
83,144,259.91/124,652,813.50 = 50,347,690.93/x - Step 3: Cross multiply
83,144,259.91x = 124,652,813.50 × 50,347,690.93 - Step 4: Simplify right side
83,144,259.91x = 6,275,981,326,777,929 - Step 5: Solve for x
x = 6,275,981,326,777,929/83,144,259.91 - Step 6: Final answer
x = 75,483,037.96
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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.