Finding the Fourth Proportional to 87,239,954.16, 120,395,871.21 and 50,069,937.26
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Solution
The fourth proportional to 87,239,954.16, 120,395,871.21 and 50,069,937.26 is: 69,099,230.69
Step by Step Solution
- Step 1: Write the proportion equation
87,239,954.16 : 120,395,871.21 = 50,069,937.26 : x - Step 2: Convert to fraction form
87,239,954.16/120,395,871.21 = 50,069,937.26/x - Step 3: Cross multiply
87,239,954.16x = 120,395,871.21 × 50,069,937.26 - Step 4: Simplify right side
87,239,954.16x = 6,028,213,717,847,740 - Step 5: Solve for x
x = 6,028,213,717,847,740/87,239,954.16 - Step 6: Final answer
x = 69,099,230.69
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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.