Finding the Fourth Proportional to 306,900,068.99, 423,522,265.12 and 165,771,288.75
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Solution
The fourth proportional to 306,900,068.99, 423,522,265.12 and 165,771,288.75 is: 228,764,470.25
Step by Step Solution
- Step 1: Write the proportion equation
306,900,068.99 : 423,522,265.12 = 165,771,288.75 : x - Step 2: Convert to fraction form
306,900,068.99/423,522,265.12 = 165,771,288.75/x - Step 3: Cross multiply
306,900,068.99x = 423,522,265.12 × 165,771,288.75 - Step 4: Simplify right side
306,900,068.99x = 70,207,831,701,258,936 - Step 5: Solve for x
x = 70,207,831,701,258,936/306,900,068.99 - Step 6: Final answer
x = 228,764,470.25
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.