Finding the Fourth Proportional to 51,502,161.53, 77,241,257.41 and 19,169,291.09
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Solution
The fourth proportional to 51,502,161.53, 77,241,257.41 and 19,169,291.09 is: 28,749,475.82
Step by Step Solution
- Step 1: Write the proportion equation
51,502,161.53 : 77,241,257.41 = 19,169,291.09 : x - Step 2: Convert to fraction form
51,502,161.53/77,241,257.41 = 19,169,291.09/x - Step 3: Cross multiply
51,502,161.53x = 77,241,257.41 × 19,169,291.09 - Step 4: Simplify right side
51,502,161.53x = 1,480,660,147,449,909.50 - Step 5: Solve for x
x = 1,480,660,147,449,909.50/51,502,161.53 - Step 6: Final answer
x = 28,749,475.82
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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.