Finding the Fourth Proportional to 74,801,320.80, 112,201,981.20 and 29,339,714.40
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Solution
The fourth proportional to 74,801,320.80, 112,201,981.20 and 29,339,714.40 is: 44,009,571.60
Step by Step Solution
- Step 1: Write the proportion equation
74,801,320.80 : 112,201,981.20 = 29,339,714.40 : x - Step 2: Convert to fraction form
74,801,320.80/112,201,981.20 = 29,339,714.40/x - Step 3: Cross multiply
74,801,320.80x = 112,201,981.20 × 29,339,714.40 - Step 4: Simplify right side
74,801,320.80x = 3,291,974,083,522,169 - Step 5: Solve for x
x = 3,291,974,083,522,169/74,801,320.80 - Step 6: Final answer
x = 44,009,571.60
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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.