Finding the Fourth Proportional to 252,031,933.96, 378,103,425.48 and 77,156,290.68
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Solution
The fourth proportional to 252,031,933.96, 378,103,425.48 and 77,156,290.68 is: 115,751,434.13
Step by Step Solution
- Step 1: Write the proportion equation
252,031,933.96 : 378,103,425.48 = 77,156,290.68 : x - Step 2: Convert to fraction form
252,031,933.96/378,103,425.48 = 77,156,290.68/x - Step 3: Cross multiply
252,031,933.96x = 378,103,425.48 × 77,156,290.68 - Step 4: Simplify right side
252,031,933.96x = 29,173,057,803,438,604 - Step 5: Solve for x
x = 29,173,057,803,438,604/252,031,933.96 - Step 6: Final answer
x = 115,751,434.13
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.