Finding the Fourth Proportional to 104,756,056.83, 144,574,634.61 and 57,717,859.21
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Solution
The fourth proportional to 104,756,056.83, 144,574,634.61 and 57,717,859.21 is: 79,656,858.60
Step by Step Solution
- Step 1: Write the proportion equation
104,756,056.83 : 144,574,634.61 = 57,717,859.21 : x - Step 2: Convert to fraction form
104,756,056.83/144,574,634.61 = 57,717,859.21/x - Step 3: Cross multiply
104,756,056.83x = 144,574,634.61 × 57,717,859.21 - Step 4: Simplify right side
104,756,056.83x = 8,344,538,406,046,782 - Step 5: Solve for x
x = 8,344,538,406,046,782/104,756,056.83 - Step 6: Final answer
x = 79,656,858.60
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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.