Finding the Fourth Proportional to 73,903,104,019.20, 110,854,656,028.80 and 68,678,826,412.80
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Solution
The fourth proportional to 73,903,104,019.20, 110,854,656,028.80 and 68,678,826,412.80 is: 103,018,239,619.20
Step by Step Solution
- Step 1: Write the proportion equation
73,903,104,019.20 : 110,854,656,028.80 = 68,678,826,412.80 : x - Step 2: Convert to fraction form
73,903,104,019.20/110,854,656,028.80 = 68,678,826,412.80/x - Step 3: Cross multiply
73,903,104,019.20x = 110,854,656,028.80 × 68,678,826,412.80 - Step 4: Simplify right side
73,903,104,019.20x = 7,613,367,678,452,608,532,480 - Step 5: Solve for x
x = 7,613,367,678,452,608,532,480/73,903,104,019.20 - Step 6: Final answer
x = 103,018,239,619.20
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1.5x scale
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.