Finding the Fourth Proportional to 88,943,824.36, 122,725,021.54 and 55,884,918.76
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Solution
The fourth proportional to 88,943,824.36, 122,725,021.54 and 55,884,918.76 is: 77,110,219.94
Step by Step Solution
- Step 1: Write the proportion equation
88,943,824.36 : 122,725,021.54 = 55,884,918.76 : x - Step 2: Convert to fraction form
88,943,824.36/122,725,021.54 = 55,884,918.76/x - Step 3: Cross multiply
88,943,824.36x = 122,725,021.54 × 55,884,918.76 - Step 4: Simplify right side
88,943,824.36x = 6,858,477,858,582,150 - Step 5: Solve for x
x = 6,858,477,858,582,150/88,943,824.36 - Step 6: Final answer
x = 77,110,219.94
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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.