Finding the Fourth Proportional to 236,196,661.80, 354,294,992.70 and 72,433,117.65
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Solution
The fourth proportional to 236,196,661.80, 354,294,992.70 and 72,433,117.65 is: 108,649,676.48
Step by Step Solution
- Step 1: Write the proportion equation
236,196,661.80 : 354,294,992.70 = 72,433,117.65 : x - Step 2: Convert to fraction form
236,196,661.80/354,294,992.70 = 72,433,117.65/x - Step 3: Cross multiply
236,196,661.80x = 354,294,992.70 × 72,433,117.65 - Step 4: Simplify right side
236,196,661.80x = 25,662,690,889,044,992 - Step 5: Solve for x
x = 25,662,690,889,044,992/236,196,661.80 - Step 6: Final answer
x = 108,649,676.48
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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.