Finding the Fourth Proportional to 81,055,686,465.36, 121,559,051,079.12 and 24,380,504,334.30
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Solution
The fourth proportional to 81,055,686,465.36, 121,559,051,079.12 and 24,380,504,334.30 is: 36,563,393,648.82
Step by Step Solution
- Step 1: Write the proportion equation
81,055,686,465.36 : 121,559,051,079.12 = 24,380,504,334.30 : x - Step 2: Convert to fraction form
81,055,686,465.36/121,559,051,079.12 = 24,380,504,334.30/x - Step 3: Cross multiply
81,055,686,465.36x = 121,559,051,079.12 × 24,380,504,334.30 - Step 4: Simplify right side
81,055,686,465.36x = 2,963,670,971,707,879,849,984 - Step 5: Solve for x
x = 2,963,670,971,707,879,849,984/81,055,686,465.36 - Step 6: Final answer
x = 36,563,393,648.82
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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.