Finding the Fourth Proportional to 302,320,817.55, 453,481,226.33 and 129,768,267.15
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Solution
The fourth proportional to 302,320,817.55, 453,481,226.33 and 129,768,267.15 is: 194,652,400.73
Step by Step Solution
- Step 1: Write the proportion equation
302,320,817.55 : 453,481,226.33 = 129,768,267.15 : x - Step 2: Convert to fraction form
302,320,817.55/453,481,226.33 = 129,768,267.15/x - Step 3: Cross multiply
302,320,817.55x = 453,481,226.33 × 129,768,267.15 - Step 4: Simplify right side
302,320,817.55x = 58,847,472,925,252,216 - Step 5: Solve for x
x = 58,847,472,925,252,216/302,320,817.55 - Step 6: Final answer
x = 194,652,400.73
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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.