Finding the Fourth Proportional to 331,848,402.80, 497,772,604.20 and 86,184,879.80
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Solution
The fourth proportional to 331,848,402.80, 497,772,604.20 and 86,184,879.80 is: 129,277,319.70
Step by Step Solution
- Step 1: Write the proportion equation
331,848,402.80 : 497,772,604.20 = 86,184,879.80 : x - Step 2: Convert to fraction form
331,848,402.80/497,772,604.20 = 86,184,879.80/x - Step 3: Cross multiply
331,848,402.80x = 497,772,604.20 × 86,184,879.80 - Step 4: Simplify right side
331,848,402.80x = 42,900,472,060,709,976 - Step 5: Solve for x
x = 42,900,472,060,709,976/331,848,402.80 - Step 6: Final answer
x = 129,277,319.70
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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.