Finding the Fourth Proportional to 119,987,031.18, 179,989,877.96 and 39,216,163.98
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Solution
The fourth proportional to 119,987,031.18, 179,989,877.96 and 39,216,163.98 is: 58,827,295.75
Step by Step Solution
- Step 1: Write the proportion equation
119,987,031.18 : 179,989,877.96 = 39,216,163.98 : x - Step 2: Convert to fraction form
119,987,031.18/179,989,877.96 = 39,216,163.98/x - Step 3: Cross multiply
119,987,031.18x = 179,989,877.96 × 39,216,163.98 - Step 4: Simplify right side
119,987,031.18x = 7,058,512,568,819,548 - Step 5: Solve for x
x = 7,058,512,568,819,548/119,987,031.18 - Step 6: Final answer
x = 58,827,295.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.