Finding the Fourth Proportional to 86,327,017.74, 119,127,739.50 and 47,170,138.68
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Solution
The fourth proportional to 86,327,017.74, 119,127,739.50 and 47,170,138.68 is: 65,092,854.36
Step by Step Solution
- Step 1: Write the proportion equation
86,327,017.74 : 119,127,739.50 = 47,170,138.68 : x - Step 2: Convert to fraction form
86,327,017.74/119,127,739.50 = 47,170,138.68/x - Step 3: Cross multiply
86,327,017.74x = 119,127,739.50 × 47,170,138.68 - Step 4: Simplify right side
86,327,017.74x = 5,619,271,992,849,914 - Step 5: Solve for x
x = 5,619,271,992,849,914/86,327,017.74 - Step 6: Final answer
x = 65,092,854.36
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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.