Finding the Fourth Proportional to 302,429,813.40, 453,346,121.70 and 148,950,235.80
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Solution
The fourth proportional to 302,429,813.40, 453,346,121.70 and 148,950,235.80 is: 223,278,290.48
Step by Step Solution
- Step 1: Write the proportion equation
302,429,813.40 : 453,346,121.70 = 148,950,235.80 : x - Step 2: Convert to fraction form
302,429,813.40/453,346,121.70 = 148,950,235.80/x - Step 3: Cross multiply
302,429,813.40x = 453,346,121.70 × 148,950,235.80 - Step 4: Simplify right side
302,429,813.40x = 67,526,011,726,230,504 - Step 5: Solve for x
x = 67,526,011,726,230,504/302,429,813.40 - Step 6: Final answer
x = 223,278,290.48
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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.