Finding the Fourth Proportional to 107,850,209.70, 161,775,314.55 and 107,850,209.70
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Solution
The fourth proportional to 107,850,209.70, 161,775,314.55 and 107,850,209.70 is: 161,775,314.55
Step by Step Solution
- Step 1: Write the proportion equation
107,850,209.70 : 161,775,314.55 = 107,850,209.70 : x - Step 2: Convert to fraction form
107,850,209.70/161,775,314.55 = 107,850,209.70/x - Step 3: Cross multiply
107,850,209.70x = 161,775,314.55 × 107,850,209.70 - Step 4: Simplify right side
107,850,209.70x = 17,447,501,598,500,962 - Step 5: Solve for x
x = 17,447,501,598,500,962/107,850,209.70 - Step 6: Final answer
x = 161,775,314.55
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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.