Finding the Fourth Proportional to 249,623,329.80, 374,434,994.70 and 113,574,433.80
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Solution
The fourth proportional to 249,623,329.80, 374,434,994.70 and 113,574,433.80 is: 170,361,650.70
Step by Step Solution
- Step 1: Write the proportion equation
249,623,329.80 : 374,434,994.70 = 113,574,433.80 : x - Step 2: Convert to fraction form
249,623,329.80/374,434,994.70 = 113,574,433.80/x - Step 3: Cross multiply
249,623,329.80x = 374,434,994.70 × 113,574,433.80 - Step 4: Simplify right side
249,623,329.80x = 42,526,242,517,958,496 - Step 5: Solve for x
x = 42,526,242,517,958,496/249,623,329.80 - Step 6: Final answer
x = 170,361,650.70
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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.