Finding the Fourth Proportional to 97,438,142.54, 134,447,546.58 and 55,603,107.02
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Solution
The fourth proportional to 97,438,142.54, 134,447,546.58 and 55,603,107.02 is: 76,722,535.20
Step by Step Solution
- Step 1: Write the proportion equation
97,438,142.54 : 134,447,546.58 = 55,603,107.02 : x - Step 2: Convert to fraction form
97,438,142.54/134,447,546.58 = 55,603,107.02/x - Step 3: Cross multiply
97,438,142.54x = 134,447,546.58 × 55,603,107.02 - Step 4: Simplify right side
97,438,142.54x = 7,475,701,321,064,176 - Step 5: Solve for x
x = 7,475,701,321,064,176/97,438,142.54 - Step 6: Final answer
x = 76,722,535.20
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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.