Finding the Fourth Proportional to 372,641,815.08, 558,962,648.82 and 100,012,582.08
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Solution
The fourth proportional to 372,641,815.08, 558,962,648.82 and 100,012,582.08 is: 150,018,853.31
Step by Step Solution
- Step 1: Write the proportion equation
372,641,815.08 : 558,962,648.82 = 100,012,582.08 : x - Step 2: Convert to fraction form
372,641,815.08/558,962,648.82 = 100,012,582.08/x - Step 3: Cross multiply
372,641,815.08x = 558,962,648.82 × 100,012,582.08 - Step 4: Simplify right side
372,641,815.08x = 55,903,297,794,764,472 - Step 5: Solve for x
x = 55,903,297,794,764,472/372,641,815.08 - Step 6: Final answer
x = 150,018,853.31
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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.