Finding the Fourth Proportional to 307,418,603.37, 424,422,188.99 and 190,101,231.15
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Solution
The fourth proportional to 307,418,603.37, 424,422,188.99 and 190,101,231.15 is: 262,453,800.03
Step by Step Solution
- Step 1: Write the proportion equation
307,418,603.37 : 424,422,188.99 = 190,101,231.15 : x - Step 2: Convert to fraction form
307,418,603.37/424,422,188.99 = 190,101,231.15/x - Step 3: Cross multiply
307,418,603.37x = 424,422,188.99 × 190,101,231.15 - Step 4: Simplify right side
307,418,603.37x = 80,683,180,654,376,976 - Step 5: Solve for x
x = 80,683,180,654,376,976/307,418,603.37 - Step 6: Final answer
x = 262,453,800.03
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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.