Finding the Fourth Proportional to 147,622,847.70, 221,434,271.55 and 146,772,542.10
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Solution
The fourth proportional to 147,622,847.70, 221,434,271.55 and 146,772,542.10 is: 220,158,813.15
Step by Step Solution
- Step 1: Write the proportion equation
147,622,847.70 : 221,434,271.55 = 146,772,542.10 : x - Step 2: Convert to fraction form
147,622,847.70/221,434,271.55 = 146,772,542.10/x - Step 3: Cross multiply
147,622,847.70x = 221,434,271.55 × 146,772,542.10 - Step 4: Simplify right side
147,622,847.70x = 32,500,470,943,455,208 - Step 5: Solve for x
x = 32,500,470,943,455,208/147,622,847.70 - Step 6: Final answer
x = 220,158,813.15
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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.