Finding the Fourth Proportional to 84,102,039.03, 126,152,529.17 and 45,258,787.99
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Solution
The fourth proportional to 84,102,039.03, 126,152,529.17 and 45,258,787.99 is: 67,887,897.10
Step by Step Solution
- Step 1: Write the proportion equation
84,102,039.03 : 126,152,529.17 = 45,258,787.99 : x - Step 2: Convert to fraction form
84,102,039.03/126,152,529.17 = 45,258,787.99/x - Step 3: Cross multiply
84,102,039.03x = 126,152,529.17 × 45,258,787.99 - Step 4: Simplify right side
84,102,039.03x = 5,709,510,571,250,264 - Step 5: Solve for x
x = 5,709,510,571,250,264/84,102,039.03 - Step 6: Final answer
x = 67,887,897.10
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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.