Finding the Fourth Proportional to 108,693,481.62, 149,997,656.96 and 59,134,210.84
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Solution
The fourth proportional to 108,693,481.62, 149,997,656.96 and 59,134,210.84 is: 81,605,565.85
Step by Step Solution
- Step 1: Write the proportion equation
108,693,481.62 : 149,997,656.96 = 59,134,210.84 : x - Step 2: Convert to fraction form
108,693,481.62/149,997,656.96 = 59,134,210.84/x - Step 3: Cross multiply
108,693,481.62x = 149,997,656.96 × 59,134,210.84 - Step 4: Simplify right side
108,693,481.62x = 8,869,993,072,178,634 - Step 5: Solve for x
x = 8,869,993,072,178,634/108,693,481.62 - Step 6: Final answer
x = 81,605,565.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.