Finding the Fourth Proportional to 90,284,847.84, 135,197,370 and 59,486,053.92
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Solution
The fourth proportional to 90,284,847.84, 135,197,370 and 59,486,053.92 is: 89,077,605.31
Step by Step Solution
- Step 1: Write the proportion equation
90,284,847.84 : 135,197,370 = 59,486,053.92 : x - Step 2: Convert to fraction form
90,284,847.84/135,197,370 = 59,486,053.92/x - Step 3: Cross multiply
90,284,847.84x = 135,197,370 × 59,486,053.92 - Step 4: Simplify right side
90,284,847.84x = 8,042,358,041,662,191 - Step 5: Solve for x
x = 8,042,358,041,662,191/90,284,847.84 - Step 6: Final answer
x = 89,077,605.31
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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.