Finding the Fourth Proportional to 275,835,639.24, 413,854,349.85 and 128,353,537.59
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Solution
The fourth proportional to 275,835,639.24, 413,854,349.85 and 128,353,537.59 is: 192,577,253.60
Step by Step Solution
- Step 1: Write the proportion equation
275,835,639.24 : 413,854,349.85 = 128,353,537.59 : x - Step 2: Convert to fraction form
275,835,639.24/413,854,349.85 = 128,353,537.59/x - Step 3: Cross multiply
275,835,639.24x = 413,854,349.85 × 128,353,537.59 - Step 4: Simplify right side
275,835,639.24x = 53,119,669,850,256,992 - Step 5: Solve for x
x = 53,119,669,850,256,992/275,835,639.24 - Step 6: Final answer
x = 192,577,253.60
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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.