Finding the Fourth Proportional to 172,204,332.84, 258,307,450.62 and 42,811,943.13
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Solution
The fourth proportional to 172,204,332.84, 258,307,450.62 and 42,811,943.13 is: 64,218,151.21
Step by Step Solution
- Step 1: Write the proportion equation
172,204,332.84 : 258,307,450.62 = 42,811,943.13 : x - Step 2: Convert to fraction form
172,204,332.84/258,307,450.62 = 42,811,943.13/x - Step 3: Cross multiply
172,204,332.84x = 258,307,450.62 × 42,811,943.13 - Step 4: Simplify right side
172,204,332.84x = 11,058,643,885,998,724 - Step 5: Solve for x
x = 11,058,643,885,998,724/172,204,332.84 - Step 6: Final answer
x = 64,218,151.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.