Finding the Fourth Proportional to 79,839,981.98, 110,180,610.09 and 46,824,043.76
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Solution
The fourth proportional to 79,839,981.98, 110,180,610.09 and 46,824,043.76 is: 64,618,021.95
Step by Step Solution
- Step 1: Write the proportion equation
79,839,981.98 : 110,180,610.09 = 46,824,043.76 : x - Step 2: Convert to fraction form
79,839,981.98/110,180,610.09 = 46,824,043.76/x - Step 3: Cross multiply
79,839,981.98x = 110,180,610.09 × 46,824,043.76 - Step 4: Simplify right side
79,839,981.98x = 5,159,101,708,357,657 - Step 5: Solve for x
x = 5,159,101,708,357,657/79,839,981.98 - Step 6: Final answer
x = 64,618,021.95
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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.