Finding the Fourth Proportional to 70,739,578.44, 106,109,360.82 and 19,621,599.48
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Solution
The fourth proportional to 70,739,578.44, 106,109,360.82 and 19,621,599.48 is: 29,432,397.32
Step by Step Solution
- Step 1: Write the proportion equation
70,739,578.44 : 106,109,360.82 = 19,621,599.48 : x - Step 2: Convert to fraction form
70,739,578.44/106,109,360.82 = 19,621,599.48/x - Step 3: Cross multiply
70,739,578.44x = 106,109,360.82 × 19,621,599.48 - Step 4: Simplify right side
70,739,578.44x = 2,082,035,379,088,844.25 - Step 5: Solve for x
x = 2,082,035,379,088,844.25/70,739,578.44 - Step 6: Final answer
x = 29,432,397.32
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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.