Finding the Fourth Proportional to 206,530,603.23, 309,682,452.99 and 141,850,681.95
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Solution
The fourth proportional to 206,530,603.23, 309,682,452.99 and 141,850,681.95 is: 212,698,101.19
Step by Step Solution
- Step 1: Write the proportion equation
206,530,603.23 : 309,682,452.99 = 141,850,681.95 : x - Step 2: Convert to fraction form
206,530,603.23/309,682,452.99 = 141,850,681.95/x - Step 3: Cross multiply
206,530,603.23x = 309,682,452.99 × 141,850,681.95 - Step 4: Simplify right side
206,530,603.23x = 43,928,667,144,580,312 - Step 5: Solve for x
x = 43,928,667,144,580,312/206,530,603.23 - Step 6: Final answer
x = 212,698,101.19
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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.