Finding the Fourth Proportional to 207,205,670.24, 285,944,738.24 and 114,386,940.80
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Solution
The fourth proportional to 207,205,670.24, 285,944,738.24 and 114,386,940.80 is: 157,854,482.49
Step by Step Solution
- Step 1: Write the proportion equation
207,205,670.24 : 285,944,738.24 = 114,386,940.80 : x - Step 2: Convert to fraction form
207,205,670.24/285,944,738.24 = 114,386,940.80/x - Step 3: Cross multiply
207,205,670.24x = 285,944,738.24 × 114,386,940.80 - Step 4: Simplify right side
207,205,670.24x = 32,708,343,846,021,924 - Step 5: Solve for x
x = 32,708,343,846,021,924/207,205,670.24 - Step 6: Final answer
x = 157,854,482.49
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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.