Finding the Fourth Proportional to 239,414,775.60, 359,122,163.40 and 130,197,745.20
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Solution
The fourth proportional to 239,414,775.60, 359,122,163.40 and 130,197,745.20 is: 195,296,617.80
Step by Step Solution
- Step 1: Write the proportion equation
239,414,775.60 : 359,122,163.40 = 130,197,745.20 : x - Step 2: Convert to fraction form
239,414,775.60/359,122,163.40 = 130,197,745.20/x - Step 3: Cross multiply
239,414,775.60x = 359,122,163.40 × 130,197,745.20 - Step 4: Simplify right side
239,414,775.60x = 46,756,895,926,025,960 - Step 5: Solve for x
x = 46,756,895,926,025,960/239,414,775.60 - Step 6: Final answer
x = 195,296,617.80
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1.5x scale
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.