Finding the Fourth Proportional to 213,122,175.33, 319,683,275.37 and 51,564,111.33
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Solution
The fourth proportional to 213,122,175.33, 319,683,275.37 and 51,564,111.33 is: 77,346,169.99
Step by Step Solution
- Step 1: Write the proportion equation
213,122,175.33 : 319,683,275.37 = 51,564,111.33 : x - Step 2: Convert to fraction form
213,122,175.33/319,683,275.37 = 51,564,111.33/x - Step 3: Cross multiply
213,122,175.33x = 319,683,275.37 × 51,564,111.33 - Step 4: Simplify right side
213,122,175.33x = 16,484,184,002,716,540 - Step 5: Solve for x
x = 16,484,184,002,716,540/213,122,175.33 - Step 6: Final answer
x = 77,346,169.99
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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.