Finding the Fourth Proportional to 210,994,994.16, 316,782,391.86 and 107,433,775.26
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Solution
The fourth proportional to 210,994,994.16, 316,782,391.86 and 107,433,775.26 is: 161,298,273.59
Step by Step Solution
- Step 1: Write the proportion equation
210,994,994.16 : 316,782,391.86 = 107,433,775.26 : x - Step 2: Convert to fraction form
210,994,994.16/316,782,391.86 = 107,433,775.26/x - Step 3: Cross multiply
210,994,994.16x = 316,782,391.86 × 107,433,775.26 - Step 4: Simplify right side
210,994,994.16x = 34,033,128,293,412,496 - Step 5: Solve for x
x = 34,033,128,293,412,496/210,994,994.16 - Step 6: Final answer
x = 161,298,273.59
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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.