Finding the Fourth Proportional to 317,803,750.20, 476,705,625.30 and 164,496,799.80
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Solution
The fourth proportional to 317,803,750.20, 476,705,625.30 and 164,496,799.80 is: 246,745,199.70
Step by Step Solution
- Step 1: Write the proportion equation
317,803,750.20 : 476,705,625.30 = 164,496,799.80 : x - Step 2: Convert to fraction form
317,803,750.20/476,705,625.30 = 164,496,799.80/x - Step 3: Cross multiply
317,803,750.20x = 476,705,625.30 × 164,496,799.80 - Step 4: Simplify right side
317,803,750.20x = 78,416,549,808,507,920 - Step 5: Solve for x
x = 78,416,549,808,507,920/317,803,750.20 - Step 6: Final answer
x = 246,745,199.70
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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.