Finding the Fourth Proportional to 249,440,971.20, 373,713,559.20 and 213,609,163.20
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Solution
The fourth proportional to 249,440,971.20, 373,713,559.20 and 213,609,163.20 is: 320,030,186.99
Step by Step Solution
- Step 1: Write the proportion equation
249,440,971.20 : 373,713,559.20 = 213,609,163.20 : x - Step 2: Convert to fraction form
249,440,971.20/373,713,559.20 = 213,609,163.20/x - Step 3: Cross multiply
249,440,971.20x = 373,713,559.20 × 213,609,163.20 - Step 4: Simplify right side
249,440,971.20x = 79,828,640,657,205,648 - Step 5: Solve for x
x = 79,828,640,657,205,648/249,440,971.20 - Step 6: Final answer
x = 320,030,186.99
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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.