Finding the Fourth Proportional to 113,421,297.80, 170,131,946.70 and 107,449,329.80
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Solution
The fourth proportional to 113,421,297.80, 170,131,946.70 and 107,449,329.80 is: 161,173,994.70
Step by Step Solution
- Step 1: Write the proportion equation
113,421,297.80 : 170,131,946.70 = 107,449,329.80 : x - Step 2: Convert to fraction form
113,421,297.80/170,131,946.70 = 107,449,329.80/x - Step 3: Cross multiply
113,421,297.80x = 170,131,946.70 × 107,449,329.80 - Step 4: Simplify right side
113,421,297.80x = 18,280,563,650,484,320 - Step 5: Solve for x
x = 18,280,563,650,484,320/113,421,297.80 - Step 6: Final answer
x = 161,173,994.70
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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.