Finding the Fourth Proportional to 65,366,767,678.77, 90,203,352,296.90 and 36,429,417,774.99
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Solution
The fourth proportional to 65,366,767,678.77, 90,203,352,296.90 and 36,429,417,774.99 is: 50,271,043,256.67
Step by Step Solution
- Step 1: Write the proportion equation
65,366,767,678.77 : 90,203,352,296.90 = 36,429,417,774.99 : x - Step 2: Convert to fraction form
65,366,767,678.77/90,203,352,296.90 = 36,429,417,774.99/x - Step 3: Cross multiply
65,366,767,678.77x = 90,203,352,296.90 × 36,429,417,774.99 - Step 4: Simplify right side
65,366,767,678.77x = 3,286,055,605,528,227,741,696 - Step 5: Solve for x
x = 3,286,055,605,528,227,741,696/65,366,767,678.77 - Step 6: Final answer
x = 50,271,043,256.67
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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.