Finding the Fourth Proportional to 57,467,813.20, 86,201,719.80 and 54,633,461.20
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Solution
The fourth proportional to 57,467,813.20, 86,201,719.80 and 54,633,461.20 is: 81,950,191.80
Step by Step Solution
- Step 1: Write the proportion equation
57,467,813.20 : 86,201,719.80 = 54,633,461.20 : x - Step 2: Convert to fraction form
57,467,813.20/86,201,719.80 = 54,633,461.20/x - Step 3: Cross multiply
57,467,813.20x = 86,201,719.80 × 54,633,461.20 - Step 4: Simplify right side
57,467,813.20x = 4,709,498,314,066,572 - Step 5: Solve for x
x = 4,709,498,314,066,572/57,467,813.20 - Step 6: Final answer
x = 81,950,191.80
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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.