Finding the Fourth Proportional to 93,410,316.36, 128,905,466.94 and 51,023,910.84
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Solution
The fourth proportional to 93,410,316.36, 128,905,466.94 and 51,023,910.84 is: 70,412,576.56
Step by Step Solution
- Step 1: Write the proportion equation
93,410,316.36 : 128,905,466.94 = 51,023,910.84 : x - Step 2: Convert to fraction form
93,410,316.36/128,905,466.94 = 51,023,910.84/x - Step 3: Cross multiply
93,410,316.36x = 128,905,466.94 × 51,023,910.84 - Step 4: Simplify right side
93,410,316.36x = 6,577,261,051,935,128 - Step 5: Solve for x
x = 6,577,261,051,935,128/93,410,316.36 - Step 6: Final answer
x = 70,412,576.56
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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.