Finding the Fourth Proportional to 90,904,109.84, 125,448,054.68 and 51,212,116.82
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Solution
The fourth proportional to 90,904,109.84, 125,448,054.68 and 51,212,116.82 is: 70,672,937.03
Step by Step Solution
- Step 1: Write the proportion equation
90,904,109.84 : 125,448,054.68 = 51,212,116.82 : x - Step 2: Convert to fraction form
90,904,109.84/125,448,054.68 = 51,212,116.82/x - Step 3: Cross multiply
90,904,109.84x = 125,448,054.68 × 51,212,116.82 - Step 4: Simplify right side
90,904,109.84x = 6,424,460,430,614,698 - Step 5: Solve for x
x = 6,424,460,430,614,698/90,904,109.84 - Step 6: Final answer
x = 70,672,937.03
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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.