Finding the Fourth Proportional to 166,486,341.70, 249,729,512.55 and 163,616,560.30
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Solution
The fourth proportional to 166,486,341.70, 249,729,512.55 and 163,616,560.30 is: 245,424,840.45
Step by Step Solution
- Step 1: Write the proportion equation
166,486,341.70 : 249,729,512.55 = 163,616,560.30 : x - Step 2: Convert to fraction form
166,486,341.70/249,729,512.55 = 163,616,560.30/x - Step 3: Cross multiply
166,486,341.70x = 249,729,512.55 × 163,616,560.30 - Step 4: Simplify right side
166,486,341.70x = 40,859,883,848,826,688 - Step 5: Solve for x
x = 40,859,883,848,826,688/166,486,341.70 - Step 6: Final answer
x = 245,424,840.45
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1.5x scale
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.