Finding the Fourth Proportional to 330,227,445.20, 495,341,167.80 and 136,038,903.80
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Solution
The fourth proportional to 330,227,445.20, 495,341,167.80 and 136,038,903.80 is: 204,058,355.70
Step by Step Solution
- Step 1: Write the proportion equation
330,227,445.20 : 495,341,167.80 = 136,038,903.80 : x - Step 2: Convert to fraction form
330,227,445.20/495,341,167.80 = 136,038,903.80/x - Step 3: Cross multiply
330,227,445.20x = 495,341,167.80 × 136,038,903.80 - Step 4: Simplify right side
330,227,445.20x = 67,385,669,474,523,864 - Step 5: Solve for x
x = 67,385,669,474,523,864/330,227,445.20 - Step 6: Final answer
x = 204,058,355.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.