Finding the Fourth Proportional to 67,731,471,208.53, 93,471,887,708.08 and 38,801,252,418.26
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Solution
The fourth proportional to 67,731,471,208.53, 93,471,887,708.08 and 38,801,252,418.26 is: 53,547,136,128.28
Step by Step Solution
- Step 1: Write the proportion equation
67,731,471,208.53 : 93,471,887,708.08 = 38,801,252,418.26 : x - Step 2: Convert to fraction form
67,731,471,208.53/93,471,887,708.08 = 38,801,252,418.26/x - Step 3: Cross multiply
67,731,471,208.53x = 93,471,887,708.08 × 38,801,252,418.26 - Step 4: Simplify right side
67,731,471,208.53x = 3,626,826,308,971,882,086,400 - Step 5: Solve for x
x = 3,626,826,308,971,882,086,400/67,731,471,208.53 - Step 6: Final answer
x = 53,547,136,128.28
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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.