Finding the Fourth Proportional to 222,913,471.80, 334,370,207.70 and 77,298,637.80
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Solution
The fourth proportional to 222,913,471.80, 334,370,207.70 and 77,298,637.80 is: 115,947,956.70
Step by Step Solution
- Step 1: Write the proportion equation
222,913,471.80 : 334,370,207.70 = 77,298,637.80 : x - Step 2: Convert to fraction form
222,913,471.80/334,370,207.70 = 77,298,637.80/x - Step 3: Cross multiply
222,913,471.80x = 334,370,207.70 × 77,298,637.80 - Step 4: Simplify right side
222,913,471.80x = 25,846,361,576,113,068 - Step 5: Solve for x
x = 25,846,361,576,113,068/222,913,471.80 - Step 6: Final answer
x = 115,947,956.70
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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.