Finding the Fourth Proportional to 172,204,331.33, 258,307,448.36 and 42,811,941.62
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Solution
The fourth proportional to 172,204,331.33, 258,307,448.36 and 42,811,941.62 is: 64,218,148.95
Step by Step Solution
- Step 1: Write the proportion equation
172,204,331.33 : 258,307,448.36 = 42,811,941.62 : x - Step 2: Convert to fraction form
172,204,331.33/258,307,448.36 = 42,811,941.62/x - Step 3: Cross multiply
172,204,331.33x = 258,307,448.36 × 42,811,941.62 - Step 4: Simplify right side
172,204,331.33x = 11,058,643,399,199,484 - Step 5: Solve for x
x = 11,058,643,399,199,484/172,204,331.33 - Step 6: Final answer
x = 64,218,148.95
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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.