Finding the Fourth Proportional to 135,087,240.45, 186,420,551.29 and 73,207,579.02
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Solution
The fourth proportional to 135,087,240.45, 186,420,551.29 and 73,207,579.02 is: 101,026,545.46
Step by Step Solution
- Step 1: Write the proportion equation
135,087,240.45 : 186,420,551.29 = 73,207,579.02 : x - Step 2: Convert to fraction form
135,087,240.45/186,420,551.29 = 73,207,579.02/x - Step 3: Cross multiply
135,087,240.45x = 186,420,551.29 × 73,207,579.02 - Step 4: Simplify right side
135,087,240.45x = 13,647,397,238,632,542 - Step 5: Solve for x
x = 13,647,397,238,632,542/135,087,240.45 - Step 6: Final answer
x = 101,026,545.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.