Finding the Fourth Proportional to 97,112,028.96, 134,013,035.52 and 53,058,081.60
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Solution
The fourth proportional to 97,112,028.96, 134,013,035.52 and 53,058,081.60 is: 73,219,297.86
Step by Step Solution
- Step 1: Write the proportion equation
97,112,028.96 : 134,013,035.52 = 53,058,081.60 : x - Step 2: Convert to fraction form
97,112,028.96/134,013,035.52 = 53,058,081.60/x - Step 3: Cross multiply
97,112,028.96x = 134,013,035.52 × 53,058,081.60 - Step 4: Simplify right side
97,112,028.96x = 7,110,474,574,083,858 - Step 5: Solve for x
x = 7,110,474,574,083,858/97,112,028.96 - Step 6: Final answer
x = 73,219,297.86
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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.