Finding the Fourth Proportional to 45,208,144.08, 67,812,216.12 and 13,295,440.08
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Solution
The fourth proportional to 45,208,144.08, 67,812,216.12 and 13,295,440.08 is: 19,943,160.12
Step by Step Solution
- Step 1: Write the proportion equation
45,208,144.08 : 67,812,216.12 = 13,295,440.08 : x - Step 2: Convert to fraction form
45,208,144.08/67,812,216.12 = 13,295,440.08/x - Step 3: Cross multiply
45,208,144.08x = 67,812,216.12 × 13,295,440.08 - Step 4: Simplify right side
45,208,144.08x = 901,593,256,115,470.12 - Step 5: Solve for x
x = 901,593,256,115,470.12/45,208,144.08 - Step 6: Final answer
x = 19,943,160.12
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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.