Finding the Fourth Proportional to 124,192,440.10, 186,288,660.15 and 42,403,670.20
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Solution
The fourth proportional to 124,192,440.10, 186,288,660.15 and 42,403,670.20 is: 63,605,505.30
Step by Step Solution
- Step 1: Write the proportion equation
124,192,440.10 : 186,288,660.15 = 42,403,670.20 : x - Step 2: Convert to fraction form
124,192,440.10/186,288,660.15 = 42,403,670.20/x - Step 3: Cross multiply
124,192,440.10x = 186,288,660.15 × 42,403,670.20 - Step 4: Simplify right side
124,192,440.10x = 7,899,322,907,000,483 - Step 5: Solve for x
x = 7,899,322,907,000,483/124,192,440.10 - Step 6: Final answer
x = 63,605,505.30
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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.