Finding the Fourth Proportional to 91,135,013.76, 125,765,860.68 and 49,319,048.88
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Solution
The fourth proportional to 91,135,013.76, 125,765,860.68 and 49,319,048.88 is: 68,060,039.43
Step by Step Solution
- Step 1: Write the proportion equation
91,135,013.76 : 125,765,860.68 = 49,319,048.88 : x - Step 2: Convert to fraction form
91,135,013.76/125,765,860.68 = 49,319,048.88/x - Step 3: Cross multiply
91,135,013.76x = 125,765,860.68 × 49,319,048.88 - Step 4: Simplify right side
91,135,013.76x = 6,202,652,630,312,191 - Step 5: Solve for x
x = 6,202,652,630,312,191/91,135,013.76 - Step 6: Final answer
x = 68,060,039.43
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.