Finding the Fourth Proportional to 249,985,796.03, 345,100,023.92 and 166,492,871.99
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Solution
The fourth proportional to 249,985,796.03, 345,100,023.92 and 166,492,871.99 is: 229,839,834.98
Step by Step Solution
- Step 1: Write the proportion equation
249,985,796.03 : 345,100,023.92 = 166,492,871.99 : x - Step 2: Convert to fraction form
249,985,796.03/345,100,023.92 = 166,492,871.99/x - Step 3: Cross multiply
249,985,796.03x = 345,100,023.92 × 166,492,871.99 - Step 4: Simplify right side
249,985,796.03x = 57,456,694,106,243,360 - Step 5: Solve for x
x = 57,456,694,106,243,360/249,985,796.03 - Step 6: Final answer
x = 229,839,834.98
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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.