Finding the Fourth Proportional to 139,434,134.70, 209,151,202.05 and 62,906,630.70
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Solution
The fourth proportional to 139,434,134.70, 209,151,202.05 and 62,906,630.70 is: 94,359,946.05
Step by Step Solution
- Step 1: Write the proportion equation
139,434,134.70 : 209,151,202.05 = 62,906,630.70 : x - Step 2: Convert to fraction form
139,434,134.70/209,151,202.05 = 62,906,630.70/x - Step 3: Cross multiply
139,434,134.70x = 209,151,202.05 × 62,906,630.70 - Step 4: Simplify right side
139,434,134.70x = 13,156,997,427,820,434 - Step 5: Solve for x
x = 13,156,997,427,820,434/139,434,134.70 - Step 6: Final answer
x = 94,359,946.05
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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.