Finding the Fourth Proportional to 212,949,029.70, 319,423,544.55 and 176,598,465.30
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Solution
The fourth proportional to 212,949,029.70, 319,423,544.55 and 176,598,465.30 is: 264,897,697.95
Step by Step Solution
- Step 1: Write the proportion equation
212,949,029.70 : 319,423,544.55 = 176,598,465.30 : x - Step 2: Convert to fraction form
212,949,029.70/319,423,544.55 = 176,598,465.30/x - Step 3: Cross multiply
212,949,029.70x = 319,423,544.55 × 176,598,465.30 - Step 4: Simplify right side
212,949,029.70x = 56,409,707,748,216,184 - Step 5: Solve for x
x = 56,409,707,748,216,184/212,949,029.70 - Step 6: Final answer
x = 264,897,697.95
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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.