Finding the Fourth Proportional to 69,791,887.37, 96,313,517.29 and 38,432,852.49
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Solution
The fourth proportional to 69,791,887.37, 96,313,517.29 and 38,432,852.49 is: 53,037,728.92
Step by Step Solution
- Step 1: Write the proportion equation
69,791,887.37 : 96,313,517.29 = 38,432,852.49 : x - Step 2: Convert to fraction form
69,791,887.37/96,313,517.29 = 38,432,852.49/x - Step 3: Cross multiply
69,791,887.37x = 96,313,517.29 × 38,432,852.49 - Step 4: Simplify right side
69,791,887.37x = 3,701,603,202,607,470.50 - Step 5: Solve for x
x = 3,701,603,202,607,470.50/69,791,887.37 - Step 6: Final answer
x = 53,037,728.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.