Finding the Fourth Proportional to 83,959,725,235.20, 125,987,960,793.60 and 31,652,451,916.80
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Solution
The fourth proportional to 83,959,725,235.20, 125,987,960,793.60 and 31,652,451,916.80 is: 47,496,914,263.88
Step by Step Solution
- Step 1: Write the proportion equation
83,959,725,235.20 : 125,987,960,793.60 = 31,652,451,916.80 : x - Step 2: Convert to fraction form
83,959,725,235.20/125,987,960,793.60 = 31,652,451,916.80/x - Step 3: Cross multiply
83,959,725,235.20x = 125,987,960,793.60 × 31,652,451,916.80 - Step 4: Simplify right side
83,959,725,235.20x = 3,987,827,871,115,107,631,104 - Step 5: Solve for x
x = 3,987,827,871,115,107,631,104/83,959,725,235.20 - Step 6: Final answer
x = 47,496,914,263.88
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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.