Finding the Fourth Proportional to 71,094,700.40, 106,646,036.36 and 19,972,733.44
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Solution
The fourth proportional to 71,094,700.40, 106,646,036.36 and 19,972,733.44 is: 29,960,219.89
Step by Step Solution
- Step 1: Write the proportion equation
71,094,700.40 : 106,646,036.36 = 19,972,733.44 : x - Step 2: Convert to fraction form
71,094,700.40/106,646,036.36 = 19,972,733.44/x - Step 3: Cross multiply
71,094,700.40x = 106,646,036.36 × 19,972,733.44 - Step 4: Simplify right side
71,094,700.40x = 2,130,012,856,650,828 - Step 5: Solve for x
x = 2,130,012,856,650,828/71,094,700.40 - Step 6: Final answer
x = 29,960,219.89
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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.