Finding the Fourth Proportional to 83,881,906.76, 115,697,403.62 and 55,990,554.44
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Solution
The fourth proportional to 83,881,906.76, 115,697,403.62 and 55,990,554.44 is: 77,227,164.07
Step by Step Solution
- Step 1: Write the proportion equation
83,881,906.76 : 115,697,403.62 = 55,990,554.44 : x - Step 2: Convert to fraction form
83,881,906.76/115,697,403.62 = 55,990,554.44/x - Step 3: Cross multiply
83,881,906.76x = 115,697,403.62 × 55,990,554.44 - Step 4: Simplify right side
83,881,906.76x = 6,477,961,775,952,263 - Step 5: Solve for x
x = 6,477,961,775,952,263/83,881,906.76 - Step 6: Final answer
x = 77,227,164.07
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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.