Finding the Fourth Proportional to 73,757,998.80, 110,636,998.20 and 31,202,197.20
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Solution
The fourth proportional to 73,757,998.80, 110,636,998.20 and 31,202,197.20 is: 46,803,295.80
Step by Step Solution
- Step 1: Write the proportion equation
73,757,998.80 : 110,636,998.20 = 31,202,197.20 : x - Step 2: Convert to fraction form
73,757,998.80/110,636,998.20 = 31,202,197.20/x - Step 3: Cross multiply
73,757,998.80x = 110,636,998.20 × 31,202,197.20 - Step 4: Simplify right side
73,757,998.80x = 3,452,117,435,452,445 - Step 5: Solve for x
x = 3,452,117,435,452,445/73,757,998.80 - Step 6: Final answer
x = 46,803,295.80
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1.5x scale
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.