Finding the Fourth Proportional to 55,331,312.70, 82,847,669.84 and 55,331,312.70
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Solution
The fourth proportional to 55,331,312.70, 82,847,669.84 and 55,331,312.70 is: 82,847,669.84
Step by Step Solution
- Step 1: Write the proportion equation
55,331,312.70 : 82,847,669.84 = 55,331,312.70 : x - Step 2: Convert to fraction form
55,331,312.70/82,847,669.84 = 55,331,312.70/x - Step 3: Cross multiply
55,331,312.70x = 82,847,669.84 × 55,331,312.70 - Step 4: Simplify right side
55,331,312.70x = 4,584,070,326,383,399 - Step 5: Solve for x
x = 4,584,070,326,383,399/55,331,312.70 - Step 6: Final answer
x = 82,847,669.84
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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.