Finding the Fourth Proportional to 99,645,058.80, 149,491,207.80 and 51,130,400.40
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Solution
The fourth proportional to 99,645,058.80, 149,491,207.80 and 51,130,400.40 is: 76,707,720.41
Step by Step Solution
- Step 1: Write the proportion equation
99,645,058.80 : 149,491,207.80 = 51,130,400.40 : x - Step 2: Convert to fraction form
99,645,058.80/149,491,207.80 = 51,130,400.40/x - Step 3: Cross multiply
99,645,058.80x = 149,491,207.80 × 51,130,400.40 - Step 4: Simplify right side
99,645,058.80x = 7,643,545,311,093,604 - Step 5: Solve for x
x = 7,643,545,311,093,604/99,645,058.80 - Step 6: Final answer
x = 76,707,720.41
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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.