Finding the Fourth Proportional to 97,574,751.18, 134,650,729.47 and 55,756,163.27
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Solution
The fourth proportional to 97,574,751.18, 134,650,729.47 and 55,756,163.27 is: 76,942,118.38
Step by Step Solution
- Step 1: Write the proportion equation
97,574,751.18 : 134,650,729.47 = 55,756,163.27 : x - Step 2: Convert to fraction form
97,574,751.18/134,650,729.47 = 55,756,163.27/x - Step 3: Cross multiply
97,574,751.18x = 134,650,729.47 × 55,756,163.27 - Step 4: Simplify right side
97,574,751.18x = 7,507,608,056,842,937 - Step 5: Solve for x
x = 7,507,608,056,842,937/97,574,751.18 - Step 6: Final answer
x = 76,942,118.38
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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.