Finding the Fourth Proportional to 99,856,512.90, 149,784,769.35 and 48,712,205.70
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Solution
The fourth proportional to 99,856,512.90, 149,784,769.35 and 48,712,205.70 is: 73,068,308.55
Step by Step Solution
- Step 1: Write the proportion equation
99,856,512.90 : 149,784,769.35 = 48,712,205.70 : x - Step 2: Convert to fraction form
99,856,512.90/149,784,769.35 = 48,712,205.70/x - Step 3: Cross multiply
99,856,512.90x = 149,784,769.35 × 48,712,205.70 - Step 4: Simplify right side
99,856,512.90x = 7,296,346,495,304,255 - Step 5: Solve for x
x = 7,296,346,495,304,255/99,856,512.90 - Step 6: Final answer
x = 73,068,308.55
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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.