Finding the Fourth Proportional to 290,507,243.18, 435,502,860.46 and 113,203,332.42
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Solution
The fourth proportional to 290,507,243.18, 435,502,860.46 and 113,203,332.42 is: 169,704,460.87
Step by Step Solution
- Step 1: Write the proportion equation
290,507,243.18 : 435,502,860.46 = 113,203,332.42 : x - Step 2: Convert to fraction form
290,507,243.18/435,502,860.46 = 113,203,332.42/x - Step 3: Cross multiply
290,507,243.18x = 435,502,860.46 × 113,203,332.42 - Step 4: Simplify right side
290,507,243.18x = 49,300,375,082,514,256 - Step 5: Solve for x
x = 49,300,375,082,514,256/290,507,243.18 - Step 6: Final answer
x = 169,704,460.87
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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.