Finding the Fourth Proportional to 63,131,600.36, 87,112,267.62 and 38,338,893.80
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Solution
The fourth proportional to 63,131,600.36, 87,112,267.62 and 38,338,893.80 is: 52,902,000.87
Step by Step Solution
- Step 1: Write the proportion equation
63,131,600.36 : 87,112,267.62 = 38,338,893.80 : x - Step 2: Convert to fraction form
63,131,600.36/87,112,267.62 = 38,338,893.80/x - Step 3: Cross multiply
63,131,600.36x = 87,112,267.62 × 38,338,893.80 - Step 4: Simplify right side
63,131,600.36x = 3,339,787,976,960,358.50 - Step 5: Solve for x
x = 3,339,787,976,960,358.50/63,131,600.36 - Step 6: Final answer
x = 52,902,000.87
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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.