Finding the Fourth Proportional to 122,594,873.42, 183,892,987.30 and 30,478,611.62
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Solution
The fourth proportional to 122,594,873.42, 183,892,987.30 and 30,478,611.62 is: 45,718,085.78
Step by Step Solution
- Step 1: Write the proportion equation
122,594,873.42 : 183,892,987.30 = 30,478,611.62 : x - Step 2: Convert to fraction form
122,594,873.42/183,892,987.30 = 30,478,611.62/x - Step 3: Cross multiply
122,594,873.42x = 183,892,987.30 × 30,478,611.62 - Step 4: Simplify right side
122,594,873.42x = 5,604,802,939,558,293 - Step 5: Solve for x
x = 5,604,802,939,558,293/122,594,873.42 - Step 6: Final answer
x = 45,718,085.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.