Finding the Fourth Proportional to 199,488,682.80, 299,233,024.20 and 163,616,415.30
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Solution
The fourth proportional to 199,488,682.80, 299,233,024.20 and 163,616,415.30 is: 245,424,622.95
Step by Step Solution
- Step 1: Write the proportion equation
199,488,682.80 : 299,233,024.20 = 163,616,415.30 : x - Step 2: Convert to fraction form
199,488,682.80/299,233,024.20 = 163,616,415.30/x - Step 3: Cross multiply
199,488,682.80x = 299,233,024.20 × 163,616,415.30 - Step 4: Simplify right side
199,488,682.80x = 48,959,434,758,982,152 - Step 5: Solve for x
x = 48,959,434,758,982,152/199,488,682.80 - Step 6: Final answer
x = 245,424,622.95
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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.