Finding the Fourth Proportional to 107,450,478.68, 161,209,789.85 and 38,361,800.84
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Solution
The fourth proportional to 107,450,478.68, 161,209,789.85 and 38,361,800.84 is: 57,554,865.53
Step by Step Solution
- Step 1: Write the proportion equation
107,450,478.68 : 161,209,789.85 = 38,361,800.84 : x - Step 2: Convert to fraction form
107,450,478.68/161,209,789.85 = 38,361,800.84/x - Step 3: Cross multiply
107,450,478.68x = 161,209,789.85 × 38,361,800.84 - Step 4: Simplify right side
107,450,478.68x = 6,184,297,850,973,809 - Step 5: Solve for x
x = 6,184,297,850,973,809/107,450,478.68 - Step 6: Final answer
x = 57,554,865.53
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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.