Finding the Fourth Proportional to 48,111,236.12, 66,329,278.70 and 38,220,934.44
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Solution
The fourth proportional to 48,111,236.12, 66,329,278.70 and 38,220,934.44 is: 52,693,865.66
Step by Step Solution
- Step 1: Write the proportion equation
48,111,236.12 : 66,329,278.70 = 38,220,934.44 : x - Step 2: Convert to fraction form
48,111,236.12/66,329,278.70 = 38,220,934.44/x - Step 3: Cross multiply
48,111,236.12x = 66,329,278.70 × 38,220,934.44 - Step 4: Simplify right side
48,111,236.12x = 2,535,167,012,645,188.50 - Step 5: Solve for x
x = 2,535,167,012,645,188.50/48,111,236.12 - Step 6: Final answer
x = 52,693,865.66
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1.5x scale
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.