Finding the Fourth Proportional to 57,974,441.40, 87,129,623.70 and 56,966,671.80
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Solution
The fourth proportional to 57,974,441.40, 87,129,623.70 and 56,966,671.80 is: 85,615,049.62
Step by Step Solution
- Step 1: Write the proportion equation
57,974,441.40 : 87,129,623.70 = 56,966,671.80 : x - Step 2: Convert to fraction form
57,974,441.40/87,129,623.70 = 56,966,671.80/x - Step 3: Cross multiply
57,974,441.40x = 87,129,623.70 × 56,966,671.80 - Step 4: Simplify right side
57,974,441.40x = 4,963,484,677,375,402 - Step 5: Solve for x
x = 4,963,484,677,375,402/57,974,441.40 - Step 6: Final answer
x = 85,615,049.62
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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.