Finding the Fourth Proportional to 70,220,827.12, 96,908,508.12 and 39,279,151.12
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Solution
The fourth proportional to 70,220,827.12, 96,908,508.12 and 39,279,151.12 is: 54,207,335.51
Step by Step Solution
- Step 1: Write the proportion equation
70,220,827.12 : 96,908,508.12 = 39,279,151.12 : x - Step 2: Convert to fraction form
70,220,827.12/96,908,508.12 = 39,279,151.12/x - Step 3: Cross multiply
70,220,827.12x = 96,908,508.12 × 39,279,151.12 - Step 4: Simplify right side
70,220,827.12x = 3,806,483,935,259,227 - Step 5: Solve for x
x = 3,806,483,935,259,227/70,220,827.12 - Step 6: Final answer
x = 54,207,335.51
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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.