Finding the Fourth Proportional to 97,115,325.15, 145,672,987.73 and 66,504,323.55
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Solution
The fourth proportional to 97,115,325.15, 145,672,987.73 and 66,504,323.55 is: 99,756,485.33
Step by Step Solution
- Step 1: Write the proportion equation
97,115,325.15 : 145,672,987.73 = 66,504,323.55 : x - Step 2: Convert to fraction form
97,115,325.15/145,672,987.73 = 66,504,323.55/x - Step 3: Cross multiply
97,115,325.15x = 145,672,987.73 × 66,504,323.55 - Step 4: Simplify right side
97,115,325.15x = 9,687,883,508,158,578 - Step 5: Solve for x
x = 9,687,883,508,158,578/97,115,325.15 - Step 6: Final answer
x = 99,756,485.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.