Finding the Fourth Proportional to 147,625,646.40, 221,438,469.60 and 120,362,723.10
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Solution
The fourth proportional to 147,625,646.40, 221,438,469.60 and 120,362,723.10 is: 180,544,084.65
Step by Step Solution
- Step 1: Write the proportion equation
147,625,646.40 : 221,438,469.60 = 120,362,723.10 : x - Step 2: Convert to fraction form
147,625,646.40/221,438,469.60 = 120,362,723.10/x - Step 3: Cross multiply
147,625,646.40x = 221,438,469.60 × 120,362,723.10 - Step 4: Simplify right side
147,625,646.40x = 26,652,937,200,152,564 - Step 5: Solve for x
x = 26,652,937,200,152,564/147,625,646.40 - Step 6: Final answer
x = 180,544,084.65
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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.