Finding the Fourth Proportional to 54,182,244,703.53, 74,754,628,857.21 and 31,311,050,172.09
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Solution
The fourth proportional to 54,182,244,703.53, 74,754,628,857.21 and 31,311,050,172.09 is: 43,199,501,009.07
Step by Step Solution
- Step 1: Write the proportion equation
54,182,244,703.53 : 74,754,628,857.21 = 31,311,050,172.09 : x - Step 2: Convert to fraction form
54,182,244,703.53/74,754,628,857.21 = 31,311,050,172.09/x - Step 3: Cross multiply
54,182,244,703.53x = 74,754,628,857.21 × 31,311,050,172.09 - Step 4: Simplify right side
54,182,244,703.53x = 2,340,645,934,744,069,472,256 - Step 5: Solve for x
x = 2,340,645,934,744,069,472,256/54,182,244,703.53 - Step 6: Final answer
x = 43,199,501,009.07
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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.