Finding the Fourth Proportional to 302,994,153.12, 454,425,258.72 and 81,660,327.12
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Solution
The fourth proportional to 302,994,153.12, 454,425,258.72 and 81,660,327.12 is: 122,472,710.77
Step by Step Solution
- Step 1: Write the proportion equation
302,994,153.12 : 454,425,258.72 = 81,660,327.12 : x - Step 2: Convert to fraction form
302,994,153.12/454,425,258.72 = 81,660,327.12/x - Step 3: Cross multiply
302,994,153.12x = 454,425,258.72 × 81,660,327.12 - Step 4: Simplify right side
302,994,153.12x = 37,108,515,278,665,840 - Step 5: Solve for x
x = 37,108,515,278,665,840/302,994,153.12 - Step 6: Final answer
x = 122,472,710.77
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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.