Finding the Fourth Proportional to 275,698,800.90, 413,548,201.35 and 146,239,773.30
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Solution
The fourth proportional to 275,698,800.90, 413,548,201.35 and 146,239,773.30 is: 219,359,659.95
Step by Step Solution
- Step 1: Write the proportion equation
275,698,800.90 : 413,548,201.35 = 146,239,773.30 : x - Step 2: Convert to fraction form
275,698,800.90/413,548,201.35 = 146,239,773.30/x - Step 3: Cross multiply
275,698,800.90x = 413,548,201.35 × 146,239,773.30 - Step 4: Simplify right side
275,698,800.90x = 60,477,195,214,046,760 - Step 5: Solve for x
x = 60,477,195,214,046,760/275,698,800.90 - Step 6: Final answer
x = 219,359,659.95
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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.