Finding the Fourth Proportional to 75,360,615.60, 113,040,923.40 and 56,228,739.60
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Solution
The fourth proportional to 75,360,615.60, 113,040,923.40 and 56,228,739.60 is: 84,343,109.40
Step by Step Solution
- Step 1: Write the proportion equation
75,360,615.60 : 113,040,923.40 = 56,228,739.60 : x - Step 2: Convert to fraction form
75,360,615.60/113,040,923.40 = 56,228,739.60/x - Step 3: Cross multiply
75,360,615.60x = 113,040,923.40 × 56,228,739.60 - Step 4: Simplify right side
75,360,615.60x = 6,356,148,646,002,147 - Step 5: Solve for x
x = 6,356,148,646,002,147/75,360,615.60 - Step 6: Final answer
x = 84,343,109.40
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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.