Finding the Fourth Proportional to 122,472,449.20, 183,708,673.80 and 36,211,701.70
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Solution
The fourth proportional to 122,472,449.20, 183,708,673.80 and 36,211,701.70 is: 54,317,552.55
Step by Step Solution
- Step 1: Write the proportion equation
122,472,449.20 : 183,708,673.80 = 36,211,701.70 : x - Step 2: Convert to fraction form
122,472,449.20/183,708,673.80 = 36,211,701.70/x - Step 3: Cross multiply
122,472,449.20x = 183,708,673.80 × 36,211,701.70 - Step 4: Simplify right side
122,472,449.20x = 6,652,403,695,348,206 - Step 5: Solve for x
x = 6,652,403,695,348,206/122,472,449.20 - Step 6: Final answer
x = 54,317,552.55
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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.