Finding the Fourth Proportional to 134,530,162.70, 185,651,622.88 and 72,650,495.84
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Solution
The fourth proportional to 134,530,162.70, 185,651,622.88 and 72,650,495.84 is: 100,257,683.37
Step by Step Solution
- Step 1: Write the proportion equation
134,530,162.70 : 185,651,622.88 = 72,650,495.84 : x - Step 2: Convert to fraction form
134,530,162.70/185,651,622.88 = 72,650,495.84/x - Step 3: Cross multiply
134,530,162.70x = 185,651,622.88 × 72,650,495.84 - Step 4: Simplify right side
134,530,162.70x = 13,487,682,455,732,690 - Step 5: Solve for x
x = 13,487,682,455,732,690/134,530,162.70 - Step 6: Final answer
x = 100,257,683.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.